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Asus Zenfone 12 Ultra (16GB + 512GB) Review | 197 Data compared

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  • Avg. price: ~£970
  • RAM capacity: 16 GB
  • Internal storage: 512 GB
  • Screen size: 6.78 inches
  • Main camera megapixels: 50 MP & 32 MP & 13 MP

Asus Zenfone 12 Ultra (16GB + 512GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

8.6

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%

8.8

Technical Score

10.0%

7.2

User score

Excellent
8.8

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%

9.6

Performance & Hardware

18.0%

8.4

Camera

15.0%

8.5

Display

15.0%

8.5

Battery

10.0%

8.8

Software

10.0%

8.5

Connectivity

4.0%

8.4

Audio

3.0%

8.0

Design

Excellent
7.2

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%

9.2

User reviews

30.0%

2.6

Popularity

User score:
amazon
4.6
(27)

(Reviews last updated: Mar 2026)

Very good
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    Best prices

    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 Zenfone 12 Ultra (16GB + 512GB)

    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%

    9.6

    Performance & Hardware

    18.0%

    8.4

    Camera

    15.0%

    8.5

    Display

    15.0%

    8.5

    Battery

    10.0%

    8.8

    Software

    10.0%

    8.5

    Connectivity

    4.0%

    8.4

    Audio

    3.0%

    8.0

    Design

    8.8
    Asus Zenfone 12 Ultra (16GB + 512GB) has a technical score of 8.78 points, which is higher than 92% 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%

    9.2

    User reviews

    30.0%

    2.6

    Popularity

    User score:
    amazon
    4.6
    (27)

    (Reviews last updated: Mar 2026)

    7.2
    Asus Zenfone 12 Ultra (16GB + 512GB) has a user score of 7.21 points, which is lower than 83.2% of smartphones.
    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.
    2.6
    Asus Zenfone 12 Ultra (16GB + 512GB) has a popularity of 2.6 points, which is lower than 55.1% 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%

    8.6

    Overall score

    40.0%

    5.4

    Price

    7.3
    Asus Zenfone 12 Ultra (16GB + 512GB) has a quality-to-price ratio of 7.3 points, which is lower than 90.8% 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 8 Elite
    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

    16 GB
    Asus Zenfone 12 Ultra (16GB + 512GB) has a RAM capacity of 16 GB which is larger than the RAM capacity of 83.6% of smartphones and equal to that of 12% 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

    512 GB
    Asus Zenfone 12 Ultra (16GB + 512GB) has an internal storage capacity of 512 GB which is larger than the storage of 77.2% of smartphones and equal to that of 17.2% 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

    4.32 GHz
    The CPU boost clock speed of Asus Zenfone 12 Ultra (16GB + 512GB) is 4.32 GHz which is higher than the boost speed of 96.5% of smartphones and equal to that of 1.7% 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 15
    Asus Zenfone 12 Ultra (16GB + 512GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 15
    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 15
    Asus Zenfone 12 Ultra (16GB + 512GB) runs Android version Android 15 which is newer than that found in 70.3% of smartphones and equal to that in 25.3% 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 Zenfone 12 Ultra (16GB + 512GB) 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 Zenfone 12 Ultra (16GB + 512GB) 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 Zenfone 12 Ultra (16GB + 512GB) offers dark mode. 95.8% of smartphones support this feature.
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    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 Zenfone 12 Ultra (16GB + 512GB) 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

    50 MP & 32 MP & 13 MP
    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/1.9 & f/2.4 & f/2.2
    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

    50 mm²
    Asus Zenfone 12 Ultra (16GB + 512GB) has a main camera sensor area of 50 mm² which is larger than the main camera sensor area of 65.5% of smartphones and equal to that of 16.5% 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

    1.0 µm
    2.0 binned
    Asus Zenfone 12 Ultra (16GB + 512GB) has a main camera pixel size of 1.0 µm which is larger than in 57.7% of smartphones and equal to the size in 20% of smartphones.
    2.0 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 Zenfone 12 Ultra (16GB + 512GB) has 2 SIM slots, which is more than in 3.9% of smartphones and equal to the number in 96% 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 Zenfone 12 Ultra (16GB + 512GB) 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

    yes
    Asus Zenfone 12 Ultra (16GB + 512GB) supports 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 Zenfone 12 Ultra (16GB + 512GB) 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 Zenfone 12 Ultra (16GB + 512GB) 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

    6.78 inches
    Asus Zenfone 12 Ultra (16GB + 512GB) has a screen size of 6.78 inches which is larger than the screens of 73.4% of smartphones and equal to those of 9.5% 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 2400 px
    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

    388 ppi
    Asus Zenfone 12 Ultra (16GB + 512GB) has a pixel density of 388 ppi which is lower than that of 67.4% of smartphones and equal to that of 3.3% 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 Zenfone 12 Ultra (16GB + 512GB) 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

    144 Hz
    Asus Zenfone 12 Ultra (16GB + 512GB) supports a refresh rate of 144 Hz which is higher than in 89.9% of smartphones and equal to that in 8.5% 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

    5500 mAh
    Asus Zenfone 12 Ultra (16GB + 512GB) has a battery capacity of 5500 mAh which is larger than the batteries in 67.7% of smartphones and equal to those in 3% 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

    65 W
    Asus Zenfone 12 Ultra (16GB + 512GB) supports charging speeds of 65 W which is faster than in 65.2% of smartphones and equal to speeds in 2.6% 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 Zenfone 12 Ultra (16GB + 512GB) 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

    yes
    Asus Zenfone 12 Ultra (16GB + 512GB) supports 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 Zenfone 12 Ultra (16GB + 512GB) 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 Zenfone 12 Ultra (16GB + 512GB) includes a 3.5 mm headphone jack. 45.4% 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

    2
    Asus Zenfone 12 Ultra (16GB + 512GB) includes 2 microphones, which is more than in 10.5% of smartphones and equal to the number in 66.6% 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

    no
    Asus Zenfone 12 Ultra (16GB + 512GB) does not include 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

    yes
    Asus Zenfone 12 Ultra (16GB + 512GB) supports 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

    163.8 mm
    Asus Zenfone 12 Ultra (16GB + 512GB) has a height of 163.8 mm which is taller than 53.7% of smartphones and equal to that of 2.1% 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 mm
    Asus Zenfone 12 Ultra (16GB + 512GB) has a width of 77 mm which is wider than 72.8% of smartphones and equal to that of 2.2% 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

    8.9 mm
    Asus Zenfone 12 Ultra (16GB + 512GB) has a thickness of 8.9 mm which is thicker than 75.5% of smartphones and equal to that of 4.3% 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

    220 g
    Asus Zenfone 12 Ultra (16GB + 512GB) weighs 220 g which is heavier than 81.7% of smartphones and equal to the weight of 0.7% 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

    100408 cm³
    Asus Zenfone 12 Ultra (16GB + 512GB) has a device volume of 100408 cm³ which is larger than 67.3% of smartphones and equal to that of 0.9% of smartphones.
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    Asus Zenfone 12 Ultra (16GB + 512GB) vs the average smartphone

    • 8 GB more RAM
      Asus Zenfone 12 Ultra (16GB + 512GB) has more RAM capacity than the average smartphone (16 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 Zenfone 12 Ultra (16GB + 512GB) has more RAM capacity than the average smartphone (16 GB vs 8 GB). The average smartphone has 8 GB of RAM.16 GB vs 8 GB
    • 3x higher optical zoom
      Asus Zenfone 12 Ultra (16GB + 512GB) offers higher optical zoom than the average smartphone (3x vs 0x).
      What it is: A true zoom feature that adjusts the camera lens to get closer to the subject without losing image quality, unlike digital zoom.
      When it matters: When you want to get closer to a distant subject without losing image clarity.

      Importance: HIGH

      Good value: >2.5x

      Asus Zenfone 12 Ultra (16GB + 512GB) offers higher optical zoom than the average smartphone (3x vs 0x).3x vs 0x
    • Has optical image stabilization
      Asus Zenfone 12 Ultra (16GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
      What it is: A hardware mechanism that physically moves the camera lens or sensor to counteract hand shakiness and reduce blur in photos and videos.
      When it matters: When you want to reduce blur in photos and shake in videos, especially in low light.

      Importance: HIGH

      Asus Zenfone 12 Ultra (16GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
    • 50% smaller process node
      Asus Zenfone 12 Ultra (16GB + 512GB) uses a smaller process node than the average smartphone (3 nm vs 6 nm). The average process node size is 6 nm.
      What it is: The size of the manufacturing process used to create the chip's transistors, measured in nanometers (nm). Smaller nodes generally indicate more advanced, power-efficient chips.
      When it matters: When you want a chipset that is more power-efficient and generates less heat.

      Importance: HIGH

      Good value: <6 nm

      Asus Zenfone 12 Ultra (16GB + 512GB) uses a smaller process node than the average smartphone (3 nm vs 6 nm). The average process node size is 6 nm.3 nm vs 6 nm
    • Supports wireless charging
      Asus Zenfone 12 Ultra (16GB + 512GB) supports wireless charging, the average smartphone does not. 25.3% of smartphones are wireless charging compatible.
      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

      Asus Zenfone 12 Ultra (16GB + 512GB) supports wireless charging, the average smartphone does not. 25.3% of smartphones are wireless charging compatible.
    • Higher on-device AI tier
      Asus Zenfone 12 Ultra (16GB + 512GB) runs on the agentic AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.
      On-device Meta Llama 3 8B, AI Article and Document Summary, Circle to Search, AI Magic Fill, AI Tracking, AI Transcript 2.0
      What it is: This level indicates how advanced the phone's on-device AI processing is, from basic assistance to more autonomous agentic tasks. A higher level usually enables faster, more private features such as live translation, writing help, and smarter photo edits without relying entirely on cloud processing.
      When it matters: When you travel or work in multiple languages and want instant translation, summarization, or writing help even with weak signal, this level determines how capable those on-device AI tools are.

      Importance: MEDIUM

      Asus Zenfone 12 Ultra (16GB + 512GB) runs on the agentic AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.agentic vs fundamental
    • 3.22x higher Geekbench 6 single-core benchmark score
      Asus Zenfone 12 Ultra (16GB + 512GB) scores better in Geekbench 6 single-core than the average smartphone (3,036 vs 942). The average smartphone scores 942 in single-core.
      What it is: A cross-platform benchmark by Primate Labs that measures single-core CPU performance. It reflects how quickly a device handles everyday tasks that rely on a single processing core.
      When it matters: When you want snappy responsiveness in everyday interactions and simple apps.

      Importance: HIGH

      Good value: >1500

      Asus Zenfone 12 Ultra (16GB + 512GB) scores better in Geekbench 6 single-core than the average smartphone (3,036 vs 942). The average smartphone scores 942 in single-core.3036 vs 942
    • 3.81x higher Geekbench 6 multi-core benchmark score
      Asus Zenfone 12 Ultra (16GB + 512GB) scores better in Geekbench 6 multi-core than the average smartphone (9,656 vs 2,533). The average smartphone scores 2,533 in multi-core.
      What it is: A cross-platform benchmark by Primate Labs that evaluates multi-core CPU performance. It simulates real-world workloads to measure how efficiently a device handles multitasking and parallel processing.
      When it matters: When you perform heavy multitasking or run pro-level apps like video editors.

      Importance: MEDIUM

      Good value: >4000

      Asus Zenfone 12 Ultra (16GB + 512GB) scores better in Geekbench 6 multi-core than the average smartphone (9,656 vs 2,533). The average smartphone scores 2,533 in multi-core.9656 vs 2533
    • 8 GB more RAM
      Asus Zenfone 12 Ultra (16GB + 512GB) has more RAM capacity than the average smartphone (16 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 50% smaller process node
      Asus Zenfone 12 Ultra (16GB + 512GB) uses a smaller process node than the average smartphone (3 nm vs 6 nm). The average process node size is 6 nm.
    • 3.22x higher Geekbench 6 single-core benchmark score
      Asus Zenfone 12 Ultra (16GB + 512GB) scores better in Geekbench 6 single-core than the average smartphone (3,036 vs 942). The average smartphone scores 942 in single-core.
    • 3.81x higher Geekbench 6 multi-core benchmark score
      Asus Zenfone 12 Ultra (16GB + 512GB) scores better in Geekbench 6 multi-core than the average smartphone (9,656 vs 2,533). The average smartphone scores 2,533 in multi-core.
    • 3.32x higher memory bandwidth
      Asus Zenfone 12 Ultra (16GB + 512GB) has higher memory bandwidth than the average smartphone (85.1 GB/s vs 25.6 GB/s). The average memory bandwidth is 25.6 GB/s.
    • 80% higher CPU boost clock speed
      Asus Zenfone 12 Ultra (16GB + 512GB) has a higher CPU boost clock speed than the average smartphone (4.3 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 71.4% higher maximum RAM
      Asus Zenfone 12 Ultra (16GB + 512GB) supports more maximum RAM than the average smartphone (24 GB vs 14 GB). The average smartphone supports 14 GB RAM.
    • 92.7% faster memory speed
      Asus Zenfone 12 Ultra (16GB + 512GB) supports faster memory speed than the average smartphone (5300 MHz vs 2750 MHz). The average smartphone supports 2750 MHz memory speed.
    • Newer DDR memory version
      Asus Zenfone 12 Ultra (16GB + 512GB) supports a newer DDR version than the average smartphone (5.0 vs 4.0). The average DDR version is 4.
    • 2x more storage
      Asus Zenfone 12 Ultra (16GB + 512GB) offers more internal storage than the average smartphone (512 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.
    • 2x more L3 cache
      Asus Zenfone 12 Ultra (16GB + 512GB) has more L3 cache than the average smartphone (8192 KB vs 4096 KB). The average L3 cache is 4096 KB.
    • 15.8% faster GPU clock
      Asus Zenfone 12 Ultra (16GB + 512GB) has a higher GPU frequency than the average smartphone (1100 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.
    • Supports ECC memory
      Asus Zenfone 12 Ultra (16GB + 512GB) supports ECC memory, the average smartphone does not. 2.4% of smartphones support ECC.
    • Higher CPU base clock speed
      Asus Zenfone 12 Ultra (16GB + 512GB) has a higher CPU base clock speed than the average smartphone (2x 4.32 GHz & 6x 3.53 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 .
    • Higher on-device AI tier
      Asus Zenfone 12 Ultra (16GB + 512GB) runs on the agentic AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.
    • Allows app offloading
      Asus Zenfone 12 Ultra (16GB + 512GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
    • Newer Android version
      Asus Zenfone 12 Ultra (16GB + 512GB) features a newer Android version than the average smartphone (Android 15 vs Android 14 ). The average version is Android 14 .
    • 3x higher optical zoom
      Asus Zenfone 12 Ultra (16GB + 512GB) offers higher optical zoom than the average smartphone (3x vs 0x).
    • Has optical image stabilization
      Asus Zenfone 12 Ultra (16GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
    • Better main camera video
      Asus Zenfone 12 Ultra (16GB + 512GB) records better main camera video than the average smartphone. 44.20x of smartphones support 4K or higher.
    • 56.3% larger main camera sensor area
      Asus Zenfone 12 Ultra (16GB + 512GB) has a larger main camera sensor area than the average smartphone (50 mm² vs 32 mm²). The average main camera sensor area is 32 mm².
    • Supports HDR10 video recording
      Asus Zenfone 12 Ultra (16GB + 512GB) supports HDR10 video recording, the average smartphone does not. 36.1% of smartphones support HDR10.
    • Supports RAW photo capture
      Asus Zenfone 12 Ultra (16GB + 512GB) supports RAW photo capture, the average smartphone does not. 37.1% of smartphones allow RAW files.
    • Has a dual-tone LED flash
      Asus Zenfone 12 Ultra (16GB + 512GB) features a dual-tone LED flash, the average smartphone does not. 41.4% of smartphones include dual-tone flash.
    • 0.2 µm larger main camera pixel size
      Asus Zenfone 12 Ultra (16GB + 512GB) has a larger main camera pixel size than the average smartphone (1 µm vs 0.8 µm). The average pixel size is 0.8 µm.
    • Newer Bluetooth version
      Asus Zenfone 12 Ultra (16GB + 512GB) supports a newer Bluetooth version than the average smartphone (5.4 vs 5.2). The average version is Bluetooth 5.2.
    • 1 more external displays supported
      Asus Zenfone 12 Ultra (16GB + 512GB) supports more external displays than the average smartphone (2 vs 1). The average smartphone supports 1 external displays.
    • 2.42x higher screen brightness
      Asus Zenfone 12 Ultra (16GB + 512GB) has a higher screen brightness than the average smartphone (1600 nits vs 660 nits). The average smartphone brightness is 660 nits.
    • 20% higher refresh rate
      Asus Zenfone 12 Ultra (16GB + 512GB) has a higher refresh rate than the average smartphone (144 Hz vs 120 Hz). The average smartphone refresh rate is 120 Hz.
    • 1,500 nits higher peak brightness
      Asus Zenfone 12 Ultra (16GB + 512GB) has a higher peak brightness than the average smartphone (2500 nits vs 1000 nits). The average peak brightness is 1000 nits.
    • Supports HDR10 support
      Asus Zenfone 12 Ultra (16GB + 512GB) supports HDR10, the average smartphone does not. 42.7% of smartphones are HDR10 compatible.
    • Has an always-on display
      Asus Zenfone 12 Ultra (16GB + 512GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • 0.11 inches larger screen size
      Asus Zenfone 12 Ultra (16GB + 512GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.
    • Supports wireless charging
      Asus Zenfone 12 Ultra (16GB + 512GB) supports wireless charging, the average smartphone does not. 25.3% of smartphones are wireless charging compatible.
    • 10% larger battery capacity
      Asus Zenfone 12 Ultra (16GB + 512GB) has a larger battery capacity than the average smartphone (5500 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
    • 97% faster charging speed
      Asus Zenfone 12 Ultra (16GB + 512GB) supports a faster charging speed than the average smartphone (65 W vs 33 W). The average charging speed is 33 W.
    • Supports aptX Lossless
      Asus Zenfone 12 Ultra (16GB + 512GB) supports aptX Lossless, the average smartphone does not. 12.9% of smartphones include aptX Lossless support.
    • Supports aptX Adaptive
      Asus Zenfone 12 Ultra (16GB + 512GB) supports aptX Adaptive, the average smartphone does not. 34.3% of smartphones include aptX Adaptive support.
    • Has a 3.5 mm headphone jack
      Asus Zenfone 12 Ultra (16GB + 512GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.4% of smartphones include a standard headphone jack.
    • Better IP rating
      Asus Zenfone 12 Ultra (16GB + 512GB) has a better IP rating than the average smartphone (IP68 vs IP67 ). The average IP rating is IP67 .

    Total
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Battery
    Audio
    Design
    • No live text recognition
      Asus Zenfone 12 Ultra (16GB + 512GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • No memory card slot
      Asus Zenfone 12 Ultra (16GB + 512GB) does not have a memory card slot, the average smartphone does. 53.6% of smartphones feature expandable storage.
    • 1.8% lower pixel density
      Asus Zenfone 12 Ultra (16GB + 512GB) has a lower pixel density than the average smartphone (388 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • 25% slower wireless charging speed
      Asus Zenfone 12 Ultra (16GB + 512GB) has a slower wireless charging speed than the average smartphone (15 W vs 20 W). The average smartphone wireless charging speed is 20 W.
    • No LDAC support
      Asus Zenfone 12 Ultra (16GB + 512GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
    • 12.1% heavier
      Asus Zenfone 12 Ultra (16GB + 512GB) is heavier than the average smartphone (220 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • 0.6 mm thicker
      Asus Zenfone 12 Ultra (16GB + 512GB) is thicker than the average smartphone (8.9 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • 1 mm wider
      Asus Zenfone 12 Ultra (16GB + 512GB) is wider than the average smartphone (77 mm vs 76 mm). The average smartphone has a width of 76 mm.
    • No memory card slot
      Asus Zenfone 12 Ultra (16GB + 512GB) does not have a memory card slot, the average smartphone does. 53.6% 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 Zenfone 12 Ultra (16GB + 512GB) does not have a memory card slot, the average smartphone does. 53.6% of smartphones feature expandable storage.
    • No LDAC support
      Asus Zenfone 12 Ultra (16GB + 512GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
      What it is: A high-quality Bluetooth audio codec developed by Sony that supports high-resolution audio streaming.
      When it matters: When you have high-end Sony headphones and want the best possible wireless audio quality.

      Importance: MEDIUM

      Asus Zenfone 12 Ultra (16GB + 512GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
    • 12.1% heavier
      Asus Zenfone 12 Ultra (16GB + 512GB) is heavier than the average smartphone (220 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 Zenfone 12 Ultra (16GB + 512GB) is heavier than the average smartphone (220 g vs 196.2 g). The average smartphone weighs 196.2 g.220.0 g vs 196.2 g
    • No live text recognition
      Asus Zenfone 12 Ultra (16GB + 512GB) 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 Zenfone 12 Ultra (16GB + 512GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • 25% slower wireless charging speed
      Asus Zenfone 12 Ultra (16GB + 512GB) has a slower wireless charging speed than the average smartphone (15 W vs 20 W). The average smartphone wireless charging speed is 20 W.
      What it is: The maximum power input supported for wireless charging, measured in Watts (W).
      When it matters: When you want the convenience of wireless charging without the slow speeds.

      Importance: LOW

      Good value: >40 W

      Asus Zenfone 12 Ultra (16GB + 512GB) has a slower wireless charging speed than the average smartphone (15 W vs 20 W). The average smartphone wireless charging speed is 20 W.15 W vs 20 W
    • 3.73x more expensive
      Asus Zenfone 12 Ultra (16GB + 512GB) is more expensive than the average smartphone (£970 vs £260).
      Asus Zenfone 12 Ultra (16GB + 512GB) is more expensive than the average smartphone (£970 vs £260).£970 vs £260
    • 0.6 mm thicker
      Asus Zenfone 12 Ultra (16GB + 512GB) is thicker than the average smartphone (8.9 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
      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

      Asus Zenfone 12 Ultra (16GB + 512GB) is thicker than the average smartphone (8.9 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.8.9 mm vs 8.3 mm
    • 1.8% lower pixel density
      Asus Zenfone 12 Ultra (16GB + 512GB) has a lower pixel density than the average smartphone (388 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
      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

      Asus Zenfone 12 Ultra (16GB + 512GB) has a lower pixel density than the average smartphone (388 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.388 ppi vs 395 ppi
    Total
    Overall
    Software
    Connectivity
    Display
    Battery
    Audio
    Design

    Graphic comparison of Asus Zenfone 12 Ultra (16GB + 512GB) and other smartphones

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    Third-party reviews

    amazon
    4.6
    27 Reviews

    (Reviews last updated: Mar 2026)

    4.6
    27 Reviews

    (Reviews last updated: Mar 2026)

    What customers like about Asus Zenfone 12 Ultra (16GB + 512GB)?

    • Equipped with the powerful Snapdragon 8 Elite chipset and 16GB of RAM, making it a top-tier performer for gaming and multitasking.
    • Features a rare 3.5mm headphone jack, a highly valued legacy feature for audiophiles in the premium flagship market.
    • The 6-Axis Hybrid Gimbal Stabilizer 4.0 provides exceptionally smooth video recording even during active movement.
    • Large 6.78-inch AMOLED display supports a high 144Hz refresh rate for gaming and reaches up to 2500 nits peak brightness.
    • Clean and highly customizable ZenUI software offers a near-stock Android experience without bloatware.
    • Long-lasting 5,500mAh battery typically provides over a full day of heavy use, supported by 65W fast charging.

    What customers dislike about Asus Zenfone 12 Ultra (16GB + 512GB)?

    • High retail price is considered poor value compared to rivals like the Samsung Galaxy S25 or OnePlus 13.
    • Very limited software support with only two years of guaranteed Android platform updates.
    • Camera image quality, particularly dynamic range and low-light performance, is often described as subpar for a flagship at this price.
    • The large 6.8-inch form factor and 220g weight make it difficult to use one-handed, alienating fans of the older compact Zenfones.
    • Lacks significant hardware innovation, feeling more like a rebadged ROG Phone or an iterative Zenfone 11 Ultra update.
    • Does not include a charging brick in the box in many regions.
    • Side-mounted second USB-C port (inherited from gaming designs) can be inconvenient for standard accessories or stands.

    Expert reviews

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    The ASUS Zenfone 12 Ultra is a flagship device that diverges from the gaming-focused ROG series, offering a professional design with a 6.78-inch 144Hz AMOLED display and a functional 3.5mm headphone jack. While featuring a robust 5,500 mAh battery, its large size marks a departure from the compact design of previous models. Powered by the Snapdragon 8 Elite, the device introduces...Read more

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    Unboxing the Zenfone 12 Ultra: A Hands-on Review

    The ASUS Zenfone 12 Ultra is a flagship device featuring a Snapdragon 8 Elite processor, up to 16GB of RAM, and a 6.78-inch 144Hz AMOLED display with 2500 nits peak brightness. It emphasizes sustainability with a recycled aluminum frame and glass, while offering IP68 water resistance, a 3.5mm headphone jack, and 6-axis gimbal stabilization for video. However, criticisms include a...Read more

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    ASUS Zenfone 12 Ultra Analysis: Differentiating Itself from the ROG Phone

    The ASUS Zenfone 12 Ultra is a flagship device that diverges from the gaming-focused ROG series, offering a professional design with a 6.78-inch 144Hz AMOLED display and a functional 3.5mm headphone jack. While featuring a robust 5,500 mAh battery, its large size marks a departure from the compact design of previous models. Powered by the Snapdragon 8 Elite, the device introduces...Read more

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    ASUS Zenfone 12 Ultra Review - SmartWorld

    The ASUS Zenfone 12 Ultra is a high-performance flagship featuring a Snapdragon 8 Elite processor, up to 16GB of RAM, and a 6.78-inch 144Hz AMOLED display, largely iterating on its predecessor with a refined design. While maintaining a 3.5mm headphone jack, IP68 resistance, and incorporating useful AI tools in a near-stock ZenUI, the device is considered heavy and slippery. The...Read more

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    Asus Zenfone 12 Ultra Review – Andrea Galeazzi

    The Asus Zenfone 12 Ultra is a high-performance, 6.78-inch flagship featuring a 144Hz LTPO AMOLED display and IP68 certification, powered by the Snapdragon 8 Elite chipset. Key advantages include exceptional battery life from its 5,500mAh battery, fast 65W charging, and the rare inclusion of a 3.5mm headphone jack. On-device AI features are a focal point, providing effective offline...Read more

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    S
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    06/02/2025
    ASUS Zenfone 12 Ultra Review - SmartWorld

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    Asus Zenfone 12 Ultra Review – Andrea Galeazzi

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    Zenfone 12 Ultra | Phones | ASUS Netherlands (Product Overview/Test Highlights)

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    Zenfone 12 Ultra | Phones | ASUS Netherlands (Product Overview/Test Highlights)

    The ASUS Zenfone 12 Ultra is a high-performance flagship featuring the Snapdragon 8 Elite processor, up to 16GB RAM, and a 6.78-inch 144Hz AMOLED display with 2,500 nits peak brightness. While delivering top-tier performance, it faces criticism for having minimal hardware upgrades over its predecessor and only offering two major Android OS updates. The camera system is highlighted...Read more

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    I
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