OVERALL
SPECS
VS AVERAGE
REVIEWS
ALTERNATIVES

Asus ROG Phone II ZS660KL (12GB + 1024GB) Review | 197 Data compared

double-arrow
  • Avg. price: ~£1,060
  • RAM capacity: 12 GB
  • Internal storage: 1024 GB
  • Screen size: 6.59 inches
  • Main camera megapixels: 48 MP & 13 MP

Asus ROG Phone II ZS660KL (12GB + 1024GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

7.2

Overall score

What it is: An overall evaluation of the smartphone's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best smartphones on the market.

Score components:

90.0%

7.2

Technical Score

10.0%

?

User score

Very good
7.2

Technical Score

What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

When it matters: When you want to compare smartphones based on technical performance and available features.

Score components:

25.0%

8.1

Performance & Hardware

18.0%

6.7

Camera

15.0%

6.8

Display

15.0%

7.2

Battery

10.0%

6.6

Software

10.0%

6.7

Connectivity

4.0%

8.9

Audio

3.0%

7.1

Design

Very good
?

User score

What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

    • No image
    No image

    Best prices

      N/A~ £1060

    Best rankings

    ?

    Available: ranking among products currently available (including other versions of this product).
    All: ranking among all products in the database.

    Technical Specifications of smartphone Asus ROG Phone II ZS660KL (12GB + 1024GB)

    Technical Score

    What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

    When it matters: When you want to compare smartphones based on technical performance and available features.

    Score components:

    25.0%

    ?

    Performance & Hardware

    18.0%

    ?

    Camera

    15.0%

    ?

    Display

    15.0%

    ?

    Battery

    10.0%

    ?

    Software

    10.0%

    ?

    Connectivity

    4.0%

    ?

    Audio

    3.0%

    ?

    Design

    7.2
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a technical score of 7.23 points, which is higher than 51.5% of smartphones.
    User score

    What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

    When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

    Score components:

    70.0%

    0.0

    User reviews

    30.0%

    1.0

    Popularity

    ?
    Popularity
    What it is: An indicator based on the number of reviews received by the smartphone.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    1.0
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a popularity of 1 points, which is lower than 67.3% of smartphones.
    Ratio quality/price

    What it is: An indicator that combines the smartphone's overall rating with its cost.

    When it matters: When you are looking for a smartphone with a good balance between quality and price.

    Score components:

    60.0%

    7.2

    Overall score

    40.0%

    4.9

    Price

    6.3
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a quality-to-price ratio of 6.3 points, which is lower than 97.8% of smartphones.
    Brand name
    What it is: The manufacturer or brand under which the smartphone is marketed and sold.
    When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

    Importance: MEDIUM

    Asus
    Processor model
    What it is: The central System-on-Chip (SoC) that houses the CPU, GPU, modem, and other core processing components.
    When it matters: When you want to know the specific engine powering your device's speed and features.

    Importance: HIGH

    Qualcomm Snapdragon 855 Plus
    Asus ROG Phone II ZS660KL (12GB + 1024GB) uses the Qualcomm Snapdragon 855 Plus processor which is faster than processors in 57.9% of smartphones and equal to processors in 0.3% of smartphones.
    RAM capacity
    What it is: The amount of volatile memory available for running apps and multitasking.
    When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

    Importance: HIGH

    Good value: >12 GB

    12 GB
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a RAM capacity of 12 GB which is larger than the RAM capacity of 59% of smartphones and equal to that of 24.3% of smartphones.
    Internal storage
    What it is: The total built-in space available for apps, media, and files.
    When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

    Importance: HIGH

    Good value: >256 GB

    1024 GB
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has an internal storage capacity of 1024 GB which is larger than the storage of 94.4% of smartphones and equal to that of 5.6% of smartphones.
    CPU boost clock speed
    What it is: The maximum speed the processor can achieve temporarily under heavy load.
    When it matters: When you run demanding apps or games that require short bursts of peak performance.

    Importance: MEDIUM

    Good value: >3.2 GHz

    2.96 GHz
    The CPU boost clock speed of Asus ROG Phone II ZS660KL (12GB + 1024GB) is 2.96 GHz which is higher than the boost speed of 75% of smartphones and equal to that of 0.3% of smartphones.
    Show more
    Operating system
    What it is: The primary system software that manages the smartphone's hardware and software resources.
    When it matters: When you have a preference for the user interface and app ecosystem.

    Importance: HIGH

    Android
    Android 9 Pie
    Asus ROG Phone II ZS660KL (12GB + 1024GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 9 Pie
    Android version
    What it is: The specific generation number of the Android operating system installed on the device.
    When it matters: When you want to ensure app compatibility and access to the latest software features.

    Importance: LOW

    Android 9 Pie
    Asus ROG Phone II ZS660KL (12GB + 1024GB) runs Android version Android 9 Pie which is older than that found in 93.9% of smartphones and equal to that in 2.6% of smartphones.
    Direct OS updates
    What it is: Indicates whether the device receives operating system updates directly from the manufacturer or Google, ensuring timely security and feature updates.
    When it matters: When you want the fastest access to new features and security patches.

    Importance: HIGH

    no
    Asus ROG Phone II ZS660KL (12GB + 1024GB) does not receive direct OS updates. 20.5% of smartphones receive direct updates.
    Open-source OS
    What it is: Shows whether the device’s operating system is based on open-source code, allowing community contributions and greater transparency.
    When it matters: When you value transparency and potential community-driven modifications.

    Importance: LOW

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) uses an open-source OS. 94.6% of smartphones use an open-source OS.
    Dark mode
    What it is: A display option that uses dark backgrounds to reduce eye strain and save battery on OLED screens.
    When it matters: When you want to reduce eye strain at night or save battery on OLED screens.

    Importance: LOW

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) offers dark mode. 95.8% of smartphones support this feature.
    Show more
    Multi-lens main camera
    What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.
    When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

    Importance: MEDIUM

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) includes a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
    Main camera megapixels
    What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.
    When it matters: When you want to capture high-resolution images that can be cropped or printed large.

    Importance: HIGH

    Good value: >50 MP

    48 MP & 13 MP
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a main camera resolution of 48 MP & 13 MP MP which is lower than that of 77.5% of smartphones and equal to that of 0.1% of smartphones.
    Main camera aperture
    What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.
    When it matters: When you want better low-light performance or a natural background blur effect.

    Importance: HIGH

    f/2.4 & f/1.8
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a main camera aperture of f/2.4 & f/1.8 which is narrower than that of 56.8% of smartphones and equal to that of 7.5% of smartphones.
    Main camera sensor area
    What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
    When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

    Importance: HIGH

    Good value: >60

    30.7 mm²
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a main camera sensor area of 30.7 mm² which is smaller than the main camera sensor area of 63.5% of smartphones and equal to that of 6.3% of smartphones.
    Main camera pixel size
    What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
    When it matters: When you shoot in low light and want reduced noise in your photos.

    Importance: MEDIUM

    Good value: ≥1.2 µm

    0.8 µm
    1.6 binned
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a main camera pixel size of 0.8 µm which is larger than in 35.5% of smartphones and equal to the size in 21.9% of smartphones.
    1.6 binned
    Show more
    Number of SIM slots
    What it is: The number of physical SIM cards or eSIM profiles the device can support simultaneously.
    When it matters: When you need to manage two different phone numbers or travel internationally with a local SIM.

    Importance: MEDIUM

    Good value: ≥2

    2
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has 2 SIM slots, which is more than in 3.8% of smartphones and equal to the number in 96.1% of smartphones.
    Cellular module
    What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.
    When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

    Importance: LOW

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) includes a cellular module. 100% of smartphones include cellular modules.
    5G connectivity
    What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
    When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

    Importance: MEDIUM

    no
    Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support 5G connectivity. 66.9% of smartphones support 5G.
    LTE support
    What it is: Support for Long-Term Evolution (4G) networks, providing high-speed mobile data.
    When it matters: When you need reliable mobile internet coverage in areas where 5G isn't available.

    Importance: HIGH

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) supports LTE. 99.7% of smartphones include LTE connectivity.
    Wi-Fi connectivity
    What it is: The ability to connect to wireless local area networks for internet access and local networking.
    When it matters: When you want to save mobile data and connect to home or public networks.

    Importance: HIGH

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
    Show more
    Screen size
    What it is: The physical diagonal measurement of the display area, usually expressed in inches.
    When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

    Importance: MEDIUM

    Good value: ≥6.6 inches

    6.59 inches
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a screen size of 6.59 inches which is smaller than the screens of 67.8% of smartphones and equal to those of 0.8% of smartphones.
    Screen resolution
    What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
    When it matters: When you want crisp text and sharp details in photos and videos.

    Importance: HIGH

    1080 x 2340 px
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a screen resolution of 1080 x 2340 px which is lower than that of 68.2% of smartphones and equal to that of 6% of smartphones.
    Pixel density
    What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.
    When it matters: When you want the image to look perfectly smooth with no visible pixels.

    Importance: HIGH

    Good value: >400 ppi

    391 ppi
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a pixel density of 391 ppi which is lower than that of 65.9% of smartphones and equal to that of 0.9% of smartphones.
    Display type
    What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
    When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

    Importance: HIGH

    OLED/AMOLED
    Asus ROG Phone II ZS660KL (12GB + 1024GB) uses a OLED/AMOLED display type. 58.6% of smartphones use this display technology.
    Refresh rate
    What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
    When it matters: When you want scrolling to feel fluid and games to look smoother.

    Importance: HIGH

    Good value: ≥120 Hz

    120 Hz
    Asus ROG Phone II ZS660KL (12GB + 1024GB) supports a refresh rate of 120 Hz which is higher than in 34.7% of smartphones and equal to that in 55.2% of smartphones.
    Show more
    Battery capacity
    What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
    When it matters: When you want a general idea of how large the battery is physically.

    Importance: HIGH

    Good value: >5000 mAh

    6000 mAh
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a battery capacity of 6000 mAh which is larger than the batteries in 73.2% of smartphones and equal to those in 6.9% of smartphones.
    Charging speed
    What it is: The maximum power input supported for wired charging, measured in Watts (W).
    When it matters: When you are in a rush and need to top up your battery quickly.

    Importance: HIGH

    Good value: >60 W

    30 W
    Asus ROG Phone II ZS660KL (12GB + 1024GB) supports charging speeds of 30 W which is slower than in 61.1% of smartphones and equal to speeds in 4.7% of smartphones.
    Fast charging
    What it is: In the context of modern electronics, "Fast Charging" refers to any technology that delivers power significantly higher than the traditional USB baseline. While the industry standard for a basic charger is 5W (5V at 1A), a charger is generally classified as a fast charger if it provides at least 18W of power.
    When it matters: When you want to minimize the time your phone spends tethered to a wall outlet.

    Importance: MEDIUM

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) supports fast charging. 93.1% of smartphones support fast charging.
    GSMArena full wired charge time
    What it is: The time taken to charge the battery from 0% to 100% using the bundled or recommended charger, as measured by GSMArena.
    When it matters: When you want to know exactly how long it takes to charge from 0 to 100% in real-world tests.

    Importance: MEDIUM

    Good value: <45 min

    ?
    Wireless charging
    What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.
    When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

    Importance: MEDIUM

    no
    Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support wireless charging. 25.3% of smartphones support wireless charging.
    Show more
    Stereo speakers
    What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
    When it matters: When you watch videos or play games without headphones and want immersive sound.

    Importance: MEDIUM

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) includes stereo speakers. 64.5% of smartphones provide stereo audio.
    3.5 mm headphone jack
    What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
    When it matters: When you prefer using traditional wired headphones without dongles or adapters.

    Importance: LOW

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) includes a 3.5 mm headphone jack. 45.3% of smartphones still offer this port.
    Number of microphones
    What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.
    When it matters: When you want clear audio recording and better noise cancellation during calls.

    Importance: MEDIUM

    Good value: ≥3

    4
    Asus ROG Phone II ZS660KL (12GB + 1024GB) includes 4 microphones, which is more than in 96.9% of smartphones and equal to the number in 3.1% of smartphones.
    FM radio
    What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
    When it matters: When you want to listen to local radio stations without using mobile data.

    Importance: LOW

    yes
    Asus ROG Phone II ZS660KL (12GB + 1024GB) includes an FM radio. 33.7% of smartphones offer FM radio functionality.
    aptX Lossless
    What it is: A Bluetooth technology designed to deliver CD-quality audio without data loss during transmission.
    When it matters: When you demand CD-quality audio over Bluetooth with no loss of detail.

    Importance: LOW

    no
    Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
    Show more
    Height
    What it is: The vertical dimension of the device.
    When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

    Importance: LOW

    Good value: <162 mm

    170.99 mm
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a height of 170.99 mm which is taller than 88.7% of smartphones of smartphones.
    Width
    What it is: The horizontal dimension of the device when held in portrait orientation.
    When it matters: When you care about how easy the phone is to grip and use with one hand.

    Importance: LOW

    Good value: <75 mm

    77.6 mm
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a width of 77.6 mm which is wider than 79.9% of smartphones and equal to that of 0.7% of smartphones.
    Thickness
    What it is: The depth of the device profile, excluding the camera bump unless specified.
    When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

    Importance: LOW

    Good value: <8 mm

    9.78 mm
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a thickness of 9.78 mm which is thicker than 87.6% of smartphones of smartphones.
    Weight
    What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
    When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

    Importance: MEDIUM

    Good value: <190 g

    240 g
    Asus ROG Phone II ZS660KL (12GB + 1024GB) weighs 240 g which is heavier than 88.8% of smartphones and equal to the weight of 0.5% of smartphones.
    Device volume
    What it is: The calculated total volume of the device's physical body.
    When it matters: When you want to understand the overall physical bulk of the device.

    Importance: LOW

    Good value: <98cm³

    117810 cm³
    Asus ROG Phone II ZS660KL (12GB + 1024GB) has a device volume of 117810 cm³ which is larger than 87.1% of smartphones and equal to that of 0% of smartphones.
    Show more

    Asus ROG Phone II ZS660KL (12GB + 1024GB) vs the average smartphone

    • 4x more storage
      Asus ROG Phone II ZS660KL (12GB + 1024GB) offers more internal storage than the average smartphone (1024 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.
      What it is: The total built-in space available for apps, media, and files.
      When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

      Importance: HIGH

      Good value: >256 GB

      Asus ROG Phone II ZS660KL (12GB + 1024GB) offers more internal storage than the average smartphone (1024 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.1024 GB vs 256 GB
    • 20% larger battery capacity
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a larger battery capacity than the average smartphone (6000 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
      What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
      When it matters: When you want a general idea of how large the battery is physically.

      Importance: HIGH

      Good value: >5000 mAh

      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a larger battery capacity than the average smartphone (6000 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.6000 mAh vs 5000 mAh
    • 2 more microphone/s
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more microphones than the average smartphone (4 vs 2). The average smartphone has 2 microphones.
      What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.
      When it matters: When you want clear audio recording and better noise cancellation during calls.

      Importance: MEDIUM

      Good value: ≥3

      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more microphones than the average smartphone (4 vs 2). The average smartphone has 2 microphones.4 vs 2
    • Supports HDR10 support
      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports HDR10, the average smartphone does not. 42.7% of smartphones are HDR10 compatible.
      What it is: Compatibility with the HDR10 format for displaying high dynamic range video content.
      When it matters: When you stream compatible movies and want to see richer colors and dynamic contrast.

      Importance: MEDIUM

      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports HDR10, the average smartphone does not. 42.7% of smartphones are HDR10 compatible.
    • 4 GB more RAM
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
      What it is: The amount of volatile memory available for running apps and multitasking.
      When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

      Importance: HIGH

      Good value: >12 GB

      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.12 GB vs 8 GB
    • Has an always-on display
      Asus ROG Phone II ZS660KL (12GB + 1024GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
      What it is: A feature that keeps a portion of the screen active to show time, date, and notifications while the device is asleep.
      When it matters: When you want to glance at the time or notifications without touching the phone.

      Importance: MEDIUM

      Asus ROG Phone II ZS660KL (12GB + 1024GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • 6 more memory channels
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more memory channels than the average smartphone (8 vs 2). The average smartphone has 2 memory channels.
      What it is: The number of independent data paths between the RAM and CPU. Dual-channel or more can enhance memory throughput and multitasking efficiency.
      When it matters: When you want reduced latency and faster data access for the CPU.

      Importance: LOW

      Good value: 4

      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more memory channels than the average smartphone (8 vs 2). The average smartphone has 2 memory channels.8 vs 2
    • Supports aptX Adaptive
      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports aptX Adaptive, the average smartphone does not. 34.3% of smartphones include aptX Adaptive support.
      What it is: A Bluetooth codec that dynamically adjusts bitrate to balance audio quality and connection stability.
      When it matters: When you want audio that automatically balances quality and stability based on your environment.

      Importance: MEDIUM

      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports aptX Adaptive, the average smartphone does not. 34.3% of smartphones include aptX Adaptive support.
    • 4x more storage
      Asus ROG Phone II ZS660KL (12GB + 1024GB) offers more internal storage than the average smartphone (1024 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.
    • 4 GB more RAM
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 6 more memory channels
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more memory channels than the average smartphone (8 vs 2). The average smartphone has 2 memory channels.
    • Higher CPU base clock speed
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a higher CPU base clock speed than the average smartphone (1x 2.96 GHz & 3x 2.42 GHz & 4x 1.8 GHz vs 2x 2.2 GHz & 6x 2 GHz ). The average smartphone has a base clock speed of 2x 2.2 GHz & 6x 2 GHz .
    • 23.3% higher CPU boost clock speed
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a higher CPU boost clock speed than the average smartphone (3 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 14.3% higher maximum RAM
      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports more maximum RAM than the average smartphone (16 GB vs 14 GB). The average smartphone supports 14 GB RAM.
    • Better processor
      Asus ROG Phone II ZS660KL (12GB + 1024GB) features a better processor than the average smartphone (Qualcomm Snapdragon 855 Plus vs Qualcomm Snapdragon 6s Gen 3 ).
    • 9.6% higher Geekbench 6 single-core benchmark score
      Asus ROG Phone II ZS660KL (12GB + 1024GB) scores better in Geekbench 6 single-core than the average smartphone (1,032 vs 942). The average smartphone scores 942 in single-core.
    • Uses a BSI sensor
      Asus ROG Phone II ZS660KL (12GB + 1024GB) uses a BSI sensor, the average smartphone does not. 40.1% of smartphones include BSI sensors.
    • Supports laser autofocus
      Asus ROG Phone II ZS660KL (12GB + 1024GB) features laser autofocus, the average smartphone does not. 21.4% of smartphones include laser AF.
    • Supports HDR10 video recording
      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports HDR10 video recording, the average smartphone does not. 36.1% of smartphones support HDR10.
    • Supports RAW photo capture
      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports RAW photo capture, the average smartphone does not. 37.1% of smartphones allow RAW files.
    • Has a dual-tone LED flash
      Asus ROG Phone II ZS660KL (12GB + 1024GB) features a dual-tone LED flash, the average smartphone does not. 41.4% of smartphones include dual-tone flash.
    • Better main camera video
      Asus ROG Phone II ZS660KL (12GB + 1024GB) records better main camera video than the average smartphone. 22.60x of smartphones support 4K or higher.
    • 1 more flash LEDs
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more flash LEDs than the average smartphone (2 vs 1). The average smartphone has 1 flash LEDs.
    • Higher front camera megapixels
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more front camera megapixels than the average smartphone (24 MP vs 16 MP ). The average front camera has 16 MP megapixels.
    • Newer USB version
      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports a newer USB version than the average smartphone (3.1 vs 2.0). The average version is USB 2.
    • Supports HDR10 support
      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports HDR10, the average smartphone does not. 42.7% of smartphones are HDR10 compatible.
    • Has an always-on display
      Asus ROG Phone II ZS660KL (12GB + 1024GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • Better display glass type
      Asus ROG Phone II ZS660KL (12GB + 1024GB) features a better display glass type than the average smartphone (Corning Gorilla Glass 6 vs Corning Gorilla Glass 5 ). The average smartphone uses Corning Gorilla Glass 5 protection.
    • 20% larger battery capacity
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a larger battery capacity than the average smartphone (6000 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
    • 2 more microphone/s
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has more microphones than the average smartphone (4 vs 2). The average smartphone has 2 microphones.
    • Supports aptX Adaptive
      Asus ROG Phone II ZS660KL (12GB + 1024GB) supports aptX Adaptive, the average smartphone does not. 34.3% of smartphones include aptX Adaptive support.
    • Has FM radio
      Asus ROG Phone II ZS660KL (12GB + 1024GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
    • Has a 3.5 mm headphone jack
      Asus ROG Phone II ZS660KL (12GB + 1024GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.

    Total
    Performance & Hardware
    Camera
    Connectivity
    Display
    Battery
    Audio
    • 73.7% slower GPU clock
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower GPU frequency than the average smartphone (250 MHz vs 950 MHz). The average smartphone has a GPU frequency of 950 MHz.
    • 22.4% slower memory speed
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower memory speed than the average smartphone (2133 MHz vs 2750 MHz). The average smartphone has a memory speed of 2750 MHz.
    • 16.7% larger process node
      Asus ROG Phone II ZS660KL (12GB + 1024GB) is manufactured on a larger process node than the average smartphone (7 nm vs 6 nm). The average smartphone uses a 6 nm process.
    • Lacks on-device AI
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support on-device AI, the average smartphone does. 99.3% of smartphones include on-device AI processing.
    • No live text recognition
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • No Wi-Fi password sharing
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
    • Older Android version
      Asus ROG Phone II ZS660KL (12GB + 1024GB) runs an older Android version than the average smartphone (Android 9 Pie vs Android 14 ). The average smartphone runs Android version Android 14 .
    • No scrolling screenshot support
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support scrolling screenshots, the average smartphone does. 81.1% of smartphones allow scrolling screenshots.
    • No dynamic theme support
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support dynamic themes, the average smartphone does. 82% of smartphones support dynamic theming.
    • Does not allow play while downloading
      Asus ROG Phone II ZS660KL (12GB + 1024GB) cannot play games while downloading, the average smartphone can. 77.3% of smartphones support play-while-downloading.
    • Lower on-device AI tier
      Asus ROG Phone II ZS660KL (12GB + 1024GB) runs on the none AI tier, while the average smartphone runs on fundamental , so its on-device AI features are more limited.
    • 20.8% lower DxOMark Mobile score
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower DxOMark Mobile score than the average smartphone (95 vs 120). The average smartphone scores 120.
    • Lower-resolution main camera
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower-resolution main camera than the average smartphone (48 MP & 13 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.
    • 4.1% smaller main camera sensor area
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a smaller main camera sensor area than the average smartphone (30.7 mm² vs 32 mm²). The average smartphone sensor area is 32 mm².
    • Narrower main camera aperture
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a narrower main camera aperture than the average smartphone (f/2.4 & f/1.8 vs f/1.8 & f/2.4 & f/2.4 ). The average smartphone aperture is f/1.8 & f/2.4 & f/2.4 .
    • No 5G connectivity
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • No memory card slot
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
    • Older Bluetooth version
      Asus ROG Phone II ZS660KL (12GB + 1024GB) uses an older Bluetooth version than the average smartphone (5.0 vs 5.2). The average smartphone uses Bluetooth 5.2.
    • 400 nits lower peak brightness
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower peak brightness than the average smartphone (600 nits vs 1000 nits). The average smartphone peak brightness is 1000 nits.
    • Lower screen resolution
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower screen resolution than the average smartphone (1080x 2340 px vs 1080x 2400 px ). The average smartphone has a resolution of 1080x 2400 px .
    • 0.08 inches smaller screen size
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a smaller screen size than the average smartphone (6.6 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
    • 1% lower pixel density
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower pixel density than the average smartphone (391 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • 9.1% slower charging speed
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a slower charging speed than the average smartphone (30 W vs 33 W). The average smartphone charges at 33 W.
    • 22.3% heavier
      Asus ROG Phone II ZS660KL (12GB + 1024GB) is heavier than the average smartphone (240 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • 7.39 mm taller
      Asus ROG Phone II ZS660KL (12GB + 1024GB) is taller than the average smartphone (171 mm vs 163.6 mm). The average smartphone has a height of 163.6 mm.
    • 1.48 mm thicker
      Asus ROG Phone II ZS660KL (12GB + 1024GB) is thicker than the average smartphone (9.8 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • 1.6 mm wider
      Asus ROG Phone II ZS660KL (12GB + 1024GB) is wider than the average smartphone (77.6 mm vs 76 mm). The average smartphone has a width of 76 mm.
    • 20.5% larger volume
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a larger volume than the average smartphone (117810 cm³ vs 97800 cm³). The average smartphone volume is 97800 cm³.
    • 5 older model
      Asus ROG Phone II ZS660KL (12GB + 1024GB) is an older model than the average smartphone (2,019 vs 2,024). 5.00% of smartphones were released more recently.
      September 2019
    • No 5G connectivity
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
      What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
      When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

      Importance: MEDIUM

      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • 73.7% slower GPU clock
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower GPU frequency than the average smartphone (250 MHz vs 950 MHz). The average smartphone has a GPU frequency of 950 MHz.
      What it is: The operating speed of the graphics processing unit, which affects rendering and gaming.
      When it matters: When you want smoother frame rates in games and faster rendering in graphics apps.

      Importance: MEDIUM

      Good value: >950 MHz

      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower GPU frequency than the average smartphone (250 MHz vs 950 MHz). The average smartphone has a GPU frequency of 950 MHz.250 MHz vs 950 MHz
    • No memory card slot
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
      What it is: A physical slot, usually for microSD cards, allowing users to expand the device's storage capacity.
      When it matters: When you want to cheaply expand your storage for photos, music, and movies.

      Importance: LOW

      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
    • 20.8% lower DxOMark Mobile score
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower DxOMark Mobile score than the average smartphone (95 vs 120). The average smartphone scores 120.
      What it is: A widely recognized benchmark score that evaluates the overall image and video quality of the smartphone's rear camera system.
      When it matters: When you want an objective, standardized ranking of the camera's overall quality.

      Importance: MEDIUM

      Good value: >130

      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower DxOMark Mobile score than the average smartphone (95 vs 120). The average smartphone scores 120.95 vs 120
    • 22.3% heavier
      Asus ROG Phone II ZS660KL (12GB + 1024GB) is heavier than the average smartphone (240 g vs 196.2 g). The average smartphone weighs 196.2 g.
      What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
      When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

      Importance: MEDIUM

      Good value: <190 g

      Asus ROG Phone II ZS660KL (12GB + 1024GB) is heavier than the average smartphone (240 g vs 196.2 g). The average smartphone weighs 196.2 g.240.0 g vs 196.2 g
    • Lacks on-device AI
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support on-device AI, the average smartphone does. 99.3% of smartphones include on-device AI processing.
      What it is: AI-powered functionality that processes tasks directly on the device—such as text recognition or voice commands—without needing a cloud connection.
      When it matters: When you want faster AI features like translation or voice typing with better privacy and no internet.

      Importance: MEDIUM

      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support on-device AI, the average smartphone does. 99.3% of smartphones include on-device AI processing.
    • No live text recognition
      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
      What it is: A feature that can identify and extract text from images, camera viewfinder, or documents in real-time for copying, translating, or other actions.
      When it matters: When you need to quickly copy text from a physical document or sign using your camera.

      Importance: MEDIUM

      Asus ROG Phone II ZS660KL (12GB + 1024GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • Lower-resolution main camera
      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower-resolution main camera than the average smartphone (48 MP & 13 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.
      What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.
      When it matters: When you want to capture high-resolution images that can be cropped or printed large.

      Importance: HIGH

      Good value: >50 MP

      Asus ROG Phone II ZS660KL (12GB + 1024GB) has a lower-resolution main camera than the average smartphone (48 MP & 13 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.48 MP & 13 MP vs 50 MP & 8 MP
    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Battery
    Design

    Graphic comparison of Asus ROG Phone II ZS660KL (12GB + 1024GB) and other smartphones

    Attribute category
    Attribute
    No results found

    Third-party reviews

    What customers like about Asus ROG Phone II ZS660KL (12GB + 1024GB)?

    • Extremely powerful performance with Snapdragon 855 Plus, 12GB RAM, and UFS 3.0 storage
    • Massive 6,000 mAh battery providing excellent, often two-day, battery life with regular use
    • Smooth 6.59-inch 120Hz AMOLED display with low touch latency, which is great for gaming and general use
    • Excellent, loud dual front-facing stereo speakers with DTS:X Ultra support
    • Helpful gaming features like ultrasonic AirTrigger II shoulder buttons and the Game Genie control panel enhance the gaming experience
    • Includes a 3.5mm headphone jack, a rare feature in flagship phones at the time of release
    • Comes with useful accessories in the box, such as the AeroActive Cooler II fan attachment and an Aero case
    • Good value for the performance and features offered compared to other flagships at launch
    • Robust build quality, though it contributes to the phone's weight

    What customers dislike about Asus ROG Phone II ZS660KL (12GB + 1024GB)?

    • The phone is large and heavy (around 240g) due to its huge battery and metal construction
    • Camera performance is considered merely competent for a flagship phone; it lacks a telephoto lens and OIS, and struggles in low light
    • Software updates have been infrequent or non-existent in recent years, which is a major concern for long-term use and security
    • Can heat up during prolonged, intense gaming sessions, especially when in 'X Mode'
    • Lack of official water resistance (IP rating) and wireless charging capabilities
    • The in-display fingerprint sensor is not the most reliable or fast
    • Accessory ecosystem is expensive and difficult to find in certain markets, like the US
    • US versions of the phone have had issues with cellular bands (e.g., T-Mobile VoLTE), requiring user modification for full functionality

    Expert reviews

    T
    techradar.com
    ?
    03/10/2019
    Asus ROG Phone 2 review

    The Asus ROG Phone 2 is identified by TechRadar as a top-tier gaming device, featuring a 6.59-inch 120Hz AMOLED display and an overclocked Snapdragon 855 Plus chipset with 12GB of RAM. Key advantages include a massive 6,000mAh battery offering two-day usage, excellent front-firing speakers, and optional accessories like the AeroActive Cooler II. However, the device is heavy and...Read more

    H
    hothardware.com
    ?
    12/11/2019
    ASUS ROG Phone II Review: A Mobile Gaming And Battery Juggernaut

    The HotHardware review of the ASUS ROG Phone II identifies it as a premier gaming device, driven by a Snapdragon 855+ processor, 12GB of RAM, and a 6,000mAh battery. It features a 6.59-inch, 120Hz AMOLED display that offers superior fluidity. Key advantages include its raw performance, AirTrigger sensors, and excellent battery life. Conversely, the device is heavy, lacks wireless...Read more

    D
    digitalcameraworld.com
    ?
    17/12/2019
    Asus ROG Phone II review

    The Asus ROG Phone II is a "spec king" featuring a 6.59-inch 120Hz AMOLED display and an overclocked Snapdragon 855 Plus processor, designed with an aggressive gamer aesthetic and a massive 6,000mAh battery. While offering top-tier performance, its 48MP main and 13MP ultrawide camera setup lacks a telephoto lens and Optical Image Stabilization (OIS), making photography its primary...Read more

    D
    dxomark.com
    ?
    16/01/2020
    Asus ROG Phone 2 camera review

    The Asus ROG Phone II, designed primarily for gamers, achieves an overall DXOMARK Camera score of 95, placing it in the top half of the database but behind the older and less expensive Asus Zenfone 6. The device features a dual-camera setup with a Sony IMX586 48MP main sensor and a 13MP ultra-wide lens. While it excels with a fast and accurate autofocus (scoring 96) and smooth bokeh...Read more

    G
    gsmarena.com
    ?
    10/09/2019
    Asus ROG Phone II review

    The Asus ROG Phone II Ultimate Edition is a specialized gaming smartphone featuring a 6.59-inch 120Hz AMOLED display with 49ms touch latency, a Snapdragon 855+ chipset, and a 6,000 mAh battery that achieved 114 hours of endurance in tests. Key advantages include functional AirTriggers, loud stereo speakers, and a side-mounted port for accessories, though the 48MP camera setup is...Read more

    G
    gsmarena.com
    ?
    10/09/2019
    Asus ROG Phone II review: Lab tests

    The Asus ROG Phone II features a 120Hz AMOLED display with a 240Hz touch response, offering exceptional smoothness and an industry-leading 49ms touch latency. While the FullHD resolution is a slight drawback compared to QHD competitors, the panel delivers perfect blacks, high color accuracy (deltaE of 1.3), and a maximum auto brightness of 626 nits. Its design prioritizes gamers...Read more

    G
    gsmarena.com
    ?
    19/03/2026
    Asus ROG Phone II ZS660KL full phone specifications and review snippets

    The Asus ROG Phone II ZS660KL is a gaming-focused device featuring a Snapdragon 855 Plus chipset, up to 12GB RAM, and a 6,000mAh battery. Its notable pros include a 120Hz AMOLED display with a 240Hz touch sampling rate, dual front-facing speakers, and a 3.5mm headphone jack. Gaming innovations like AirTrigger II sensors and a side-mounted USB-C port are primary strengths, supported...Read more

    S
    stuff.tv
    ?
    26/09/2019
    Asus ROG Phone II review

    The Asus ROG Phone II is identified by Stuff as a premier 2019 gaming handset, featuring a Snapdragon 855+ chipset, a 6000mAh battery, and a 6.59-inch 120Hz AMOLED display with a 240Hz touch response. The device's design includes front-firing speakers and a flat screen to enhance competitive gaming, while the 48MP camera system from the Zenfone 6 provides high-quality photography....Read more

    T
    techradar.com
    ?
    29/09/2019
    Asus ROG Phone 2 review (India edition)

    The Asus ROG Phone 2 (India review) is identified as a premier gaming smartphone featuring a 120Hz AMOLED display, 240Hz touch response, and an overclocked Snapdragon 855 Plus chipset with up to 12GB of RAM. Key pros include a 6,000mAh battery supporting 30W charging, excellent dual front-firing speakers, a 3.5mm headphone jack, and dedicated "Air Triggers II" for enhanced gaming...Read more

    T
    techradar.com
    ?
    03/10/2019
    Asus ROG Phone 2 review

    The Asus ROG Phone 2 is identified by TechRadar as a top-tier gaming device, featuring a 6.59-inch 120Hz AMOLED display and an overclocked Snapdragon 855 Plus chipset with 12GB of RAM. Key advantages include a massive 6,000mAh battery offering two-day usage, excellent front-firing speakers, and optional accessories like the AeroActive Cooler II. However, the device is heavy and...Read more

    H
    hothardware.com
    ?
    12/11/2019
    ASUS ROG Phone II Review: A Mobile Gaming And Battery Juggernaut

    The HotHardware review of the ASUS ROG Phone II identifies it as a premier gaming device, driven by a Snapdragon 855+ processor, 12GB of RAM, and a 6,000mAh battery. It features a 6.59-inch, 120Hz AMOLED display that offers superior fluidity. Key advantages include its raw performance, AirTrigger sensors, and excellent battery life. Conversely, the device is heavy, lacks wireless...Read more

    T
    techbook.de
    ?
    04/09/2019
    New Asus ROG Phone 2 Gaming Smartphone Review

    The Asus ROG Phone 2 is a performance-focused device featuring a Snapdragon 855 Plus processor, up to 12GB of RAM, and a 120Hz AMOLED display with 240Hz touch sampling. Designed for gaming, it includes capacitive AirTrigger shoulder buttons, a side-mounted USB-C port, and an included AeroActive Cooler II for thermal management. A massive 6000mAh battery delivers extensive runtime,...Read more

    (Translated)Show original
    C
    connect.de
    ?
    13/01/2020
    Asus ROG Phone 2 Review - Connect

    The Asus ROG Phone 2 is identified by connect.de as a high-performance gaming device featuring a 6.59-inch 120 Hz AMOLED display, Snapdragon 855 Plus processor, and specialized gaming features like Air Triggers and a 6,000 mAh battery. Key advantages include world-class performance, exceptional battery life lasting up to two days, and quality audio, making it a top contender for...Read more

    (Translated)Show original
    H
    heise.de
    ?
    17/01/2020
    Asus ROG Phone 2 Review: Gaming King Not Just for Pro Gamers

    The Heise Bestenlisten review characterizes the ASUS ROG Phone II as a premier gaming device, driven by a Snapdragon 855 Plus processor, 120Hz AMOLED display, and specialized software like Armory Crate. Key advantages include extensive gaming hardware—such as AirTriggers and side-charging ports—and an exceptionally strong 6,000 mAh battery that appeals to power users. However, the...Read more

    (Translated)Show original
    H
    hifitest.de
    ?
    01/01/2025
    Smartphone Technical Specifications - Asus ROG Phone II ZS660KL

    The Asus ROG Phone II (ZS660KL) is a dedicated gaming powerhouse featuring a 6.59-inch 120Hz AMOLED display and an overclocked Snapdragon 855 Plus chipset with up to 12GB RAM, designed for sustained performance. Key pros include a massive 6,000 mAh battery offering superior endurance, AirTrigger shoulder buttons, and front-facing stereo speakers. However, the device is heavy at...Read more

    (Translated)Show original
    T
    techbook.de
    ?
    04/09/2019
    New Asus ROG Phone 2 Gaming Smartphone Review

    The Asus ROG Phone 2 is a performance-focused device featuring a Snapdragon 855 Plus processor, up to 12GB of RAM, and a 120Hz AMOLED display with 240Hz touch sampling. Designed for gaming, it includes capacitive AirTrigger shoulder buttons, a side-mounted USB-C port, and an included AeroActive Cooler II for thermal management. A massive 6000mAh battery delivers extensive runtime,...Read more

    (Translated)Show original
    C
    connect.de
    ?
    13/01/2020
    Asus ROG Phone 2 Review - Connect

    The Asus ROG Phone 2 is identified by connect.de as a high-performance gaming device featuring a 6.59-inch 120 Hz AMOLED display, Snapdragon 855 Plus processor, and specialized gaming features like Air Triggers and a 6,000 mAh battery. Key advantages include world-class performance, exceptional battery life lasting up to two days, and quality audio, making it a top contender for...Read more

    (Translated)Show original
    P
    profesionalreview.com
    ?
    24/02/2026
    Asus ROG Phone II Review (Full Analysis)

    The Asus ROG Phone II is a high-performance gaming device featuring a Snapdragon 855 Plus processor, up to 12GB of RAM, and a 6.59-inch 120Hz AMOLED display with 240Hz touch response. It is designed specifically for gaming with features like ultrasonic AirTriggers, a side-mounted USB-C port, and powerful front-facing stereo speakers. A massive 6,000mAh battery provides exceptional...Read more

    (Translated)Show original
    E
    elchapuzasinformatico.com
    ?
    28/01/2020
    Asus ROG Phone II Review

    The ASUS ROG Phone II is a "gaming beast" featuring a Snapdragon 855 Plus, up to 12GB RAM, and a 120Hz AMOLED panel with 240Hz touch sampling for extreme performance. Key pros include the massive 6,000mAh battery, AirTriggers for specialized control, front-facing stereo speakers, and included AeroActive Cooler II. Conversely, the device suffers from a 240g weight, bulky design, lack...Read more

    (Translated)Show original
    G
    gsmarena.com
    ?
    19/03/2026
    Asus ROG Phone II ZS660KL - User opinions and reviews - page 24

    The ASUS ROG Phone II is identified as a high-performance gaming device featuring a 6.59-inch 120Hz OLED display, Snapdragon 855 Plus chipset, and a massive 6,000 mAh battery, delivering top-tier performance and longevity. Key pros include dual front-facing speakers, 240Hz touch sampling, 3.5mm jack, and specialized features like AirTriggers II and GameCool II for enhanced gaming,...Read more

    (Translated)Show original
    G
    gsmarena.com
    ?
    19/03/2026
    ",

    The Asus ROG Phone II ZS660KL is recognized as a pioneering gaming smartphone, featuring a 120Hz/1ms AMOLED display, a Snapdragon 855 Plus chipset, and a massive 6,000 mAh battery for sustained high performance. Key advantages include superior front-facing stereo speakers, functional 3.5mm headphone jack, dual USB-C ports, and specialized accessories like the ROG Kunai Gamepad....Read more

    (Translated)Show original
    P
    profesionalreview.com
    ?
    24/02/2026
    Asus ROG Phone II Review (Full Analysis)

    The Asus ROG Phone II is a high-performance gaming device featuring a Snapdragon 855 Plus processor, up to 12GB of RAM, and a 6.59-inch 120Hz AMOLED display with 240Hz touch response. It is designed specifically for gaming with features like ultrasonic AirTriggers, a side-mounted USB-C port, and powerful front-facing stereo speakers. A massive 6,000mAh battery provides exceptional...Read more

    (Translated)Show original
    E
    elchapuzasinformatico.com
    ?
    28/01/2020
    Asus ROG Phone II Review

    The ASUS ROG Phone II is a "gaming beast" featuring a Snapdragon 855 Plus, up to 12GB RAM, and a 120Hz AMOLED panel with 240Hz touch sampling for extreme performance. Key pros include the massive 6,000mAh battery, AirTriggers for specialized control, front-facing stereo speakers, and included AeroActive Cooler II. Conversely, the device suffers from a 240g weight, bulky design, lack...Read more

    (Translated)Show original
    S
    smartworld.it
    ?
    04/09/2019
    ASUS ROG Phone II Review: How do you improve the best?

    The Asus ROG Phone II is identified as a premier mobile gaming device, driven by an overclocked Snapdragon 855 Plus, up to 12GB of RAM, and a 6.59-inch 120Hz AMOLED display. Key advantages include a massive 6,000 mAh battery lasting up to two days, specialized AirTriggers, an included AeroActive Cooler II, and exceptional front-facing speakers. Limitations center on its large, 240g...Read more

    (Translated)Show original
    A
    andreagaleazzi.com
    ?
    24/12/2019
    ASUS ROG Phone 2 Review - Andrea Galeazzi

    Andrea Galeazzi’s review of the ASUS ROG Phone 2 highlights the device as a 'spec king' prioritizing raw power with a Snapdragon 855 Plus processor and a massive 6,000 mAh battery that easily delivers two-day endurance. The 6.59-inch AMOLED display is praised for its 120Hz fluidity and high touch responsiveness, offering a superior visual experience. Key pros include dedicated...Read more

    (Translated)Show original
    M
    multiplayer.it
    ?
    04/09/2019
    ROG Phone 2 Review

    The ASUS ROG Phone 2 is identified as a premier, performance-focused gaming device, featuring a Snapdragon 855 Plus processor and a 120Hz AMOLED display with low latency. Key advantages include a 6,000 mAh battery with exceptional endurance, customizable AirTrigger ultrasonic sensors for console-like control, and high-quality front-firing stereo speakers. While the "gamer" aesthetic...Read more

    (Translated)Show original
    S
    smartworld.it
    ?
    04/09/2019
    ASUS ROG Phone II Review: How do you improve the best?

    The Asus ROG Phone II is identified as a premier mobile gaming device, driven by an overclocked Snapdragon 855 Plus, up to 12GB of RAM, and a 6.59-inch 120Hz AMOLED display. Key advantages include a massive 6,000 mAh battery lasting up to two days, specialized AirTriggers, an included AeroActive Cooler II, and exceptional front-facing speakers. Limitations center on its large, 240g...Read more

    (Translated)Show original
    A
    andreagaleazzi.com
    ?
    24/12/2019
    ASUS ROG Phone 2 Review - Andrea Galeazzi

    Andrea Galeazzi’s review of the ASUS ROG Phone 2 highlights the device as a 'spec king' prioritizing raw power with a Snapdragon 855 Plus processor and a massive 6,000 mAh battery that easily delivers two-day endurance. The 6.59-inch AMOLED display is praised for its 120Hz fluidity and high touch responsiveness, offering a superior visual experience. Key pros include dedicated...Read more

    (Translated)Show original

    Video reviews

    Best alternatives

    xiaomi-15-ultra
    Xiaomi 15 Ultra (16GB + 512GB)

    Smartphones

    9.1
    google-pixel-9-pro-xl-512gb
    Google Pixel 9 Pro XL (16GB + 512GB)

    Smartphones

    8.8
    google-pixel-10-pro-xl-16gb-512gb
    Google Pixel 10 Pro XL (16GB + 512GB)

    Smartphones

    8.9
    honor-magic-5-pro
    HONOR Magic5 Pro (16GB + 512GB)

    Smartphones

    8.8
    oppo-find-x9-pro-16gb-512gb
    Oppo Find X9 Pro (16GB + 512GB)

    Smartphones

    9.1
    google-pixel-10-pro-16gb-512gb
    Google Pixel 10 Pro (16GB + 512GB)

    Smartphones

    8.9
    oneplus-15-16gb-512gb
    OnePlus 15 (16GB + 512GB)

    Smartphones

    9.1
    xiaomi-14-ultra
    Xiaomi 14 Ultra (16GB + 512GB)

    Smartphones

    8.9
    asus-rog-phone-8-pro
    Asus ROG Phone 8 Pro (16GB + 512GB)

    Smartphones

    8.4
    apple-iphone-17-8gb-512gb
    Apple iPhone 17 (8GB + 512GB)

    Smartphones

    8.4
    huawei-pura-70-pro
    Huawei Pura 70 Pro (12GB + 512GB)

    Smartphones

    8.2
    vivo-x300-pro-16gb-512gb
    vivo X300 Pro (16GB + 512GB)

    Smartphones

    9.2

    Compare Asus ROG Phone II ZS660KL (12GB + 1024GB) with other smartphones

    VS
    VS

    Compare