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CUBOT KingKong ES 3 4G (6GB + 256GB) Review | 197 Data compared

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  • Avg. price: ~£140
  • RAM capacity: 6 GB
  • Internal storage: 256 GB
  • Screen size: 6.75 inches
  • Main camera megapixels: 48 MP & 2 MP & 0.3 MP

CUBOT KingKong ES 3 4G (6GB + 256GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

6.5

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%

6.4

Technical Score

10.0%

7.4

User score

Good
6.4

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%

6.4

Performance & Hardware

18.0%

5.8

Camera

15.0%

5.4

Display

15.0%

7.5

Battery

10.0%

8.8

Software

10.0%

6.8

Connectivity

4.0%

3.1

Audio

3.0%

6.3

Design

Good
7.4

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%

3.2

Popularity

User score:
United Kingdom
Amazon
4.6
(46)

(Reviews last updated: March 2026)

Very good
    • No image
    No image

    Best prices

      N/A~ £140

    Best rankings

    ?

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

    Verdict

    The CUBOT KingKong ES 3 is a rugged 4G smartphone built for durability and extended outdoor use, featuring IP68/IP69K and MIL-STD-810H certifications for water, dust, and shock resistance, a massive 10,200mAh battery with 33W fast charging, and a 6.74-inch HD+ 90Hz display. It is powered by the Unisoc T615 octa-core processor with 6GB of physical RAM (16GB extended) and 256GB of expandable storage, and runs on Android 15. The main pros include its extremely long multi-day battery life, durable yet relatively slim design for a rugged phone, expandable memory, and NFC support. Key cons are the 720p display resolution which some find low for its size, mediocre camera performance especially in low light, the absence of a fingerprint scanner (relying on face unlock), only moderately fast internet speeds with no 5G support, slow memory, and no guarantee of future software updates.

    Technical Specifications of smartphone CUBOT KingKong ES 3 4G (6GB + 256GB)

    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%

    6.4

    Performance & Hardware

    18.0%

    5.8

    Camera

    15.0%

    5.4

    Display

    15.0%

    7.5

    Battery

    10.0%

    8.8

    Software

    10.0%

    6.8

    Connectivity

    4.0%

    3.1

    Audio

    3.0%

    6.3

    Design

    6.4
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a technical score of 6.44 points, which is lower than 80.6% 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%

    3.2

    Popularity

    User score:
    United Kingdom
    Amazon
    4.6
    (46)

    (Reviews last updated: March 2026)

    7.4
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a user score of 7.39 points, which is lower than 80.2% 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.
    3.2
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a popularity of 3.2 points, which is lower than 58.4% of products in this category.
    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%

    6.5

    Overall score

    40.0%

    9.8

    Price

    7.5
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a quality-to-price ratio of 7.5 points, which is lower than 63.5% of products in this category.
    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

    CUBOT
    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

    Unisoc T615
    CUBOT KingKong ES 3 4G (6GB + 256GB) uses the Unisoc T615 processor model which is slower than processors in 84.1% of smartphones and equal to processors in 0.4% 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

    6 GB
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a RAM capacity of 6 GB which is smaller than the RAM capacity of 71.8% of smartphones and equal to that of 10.8% 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

    256 GB
    CUBOT KingKong ES 3 4G (6GB + 256GB) has an internal storage capacity of 256 GB which is larger than the storage of 38.8% of smartphones and equal to that of 38.3% 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

    1.8 GHz
    The CPU boost clock speed of CUBOT KingKong ES 3 4G (6GB + 256GB) is 1.8 GHz which is lower than the boost speed of 93% of smartphones and equal to that of 2% of smartphones.
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    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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) runs Android version Android 15 which is newer than that found in 70.6% of smartphones and equal to that in 25.1% 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

    ?
    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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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 & 2 MP & 0.3 MP
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a main camera resolution of 48 MP & 2 MP & 0.3 MP MP which is lower than that of 80.8% of smartphones and equal to that of 0.4% 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

    ?
    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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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.
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    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
    CUBOT KingKong ES 3 4G (6GB + 256GB) has 2 SIM slots, which is more than in 3.8% of smartphones and equal to the number in 96.1% of smartphones.
    Dual Nano SIM (hybrid, or 1 Nano SIM + 1 microSD)
    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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
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    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

    6.75 inches
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a screen size of 6.75 inches which is larger than the screens of 67.9% of smartphones and equal to those of 2.4% 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

    720 x 1600 px
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a screen resolution of 720x1600 px which is lower than that of 87.8% of smartphones and equal to that of 8.7% 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

    260 ppi
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a pixel density of 260 ppi which is lower than that of 93.7% of smartphones and equal to that of 4.3% 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

    IPS LCD
    CUBOT KingKong ES 3 4G (6GB + 256GB) uses a IPS LCD display type. 0% 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

    90 Hz
    CUBOT KingKong ES 3 4G (6GB + 256GB) supports a refresh rate of 90 Hz which is lower than in 65.4% of smartphones and equal to that in 18.9% of smartphones.
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    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

    10,200 mAh
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a battery capacity of 10200 mAh which is larger than the batteries in 95.2% of smartphones and equal to those in 0.3% 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

    33 W
    CUBOT KingKong ES 3 4G (6GB + 256GB) supports charging speeds of 33 W which is faster than in 38.9% of smartphones and equal to speeds in 12% 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) does not support wireless charging. 25.3% of smartphones support wireless charging.
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    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

    no
    CUBOT KingKong ES 3 4G (6GB + 256GB) does not include 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

    no
    CUBOT KingKong ES 3 4G (6GB + 256GB) does not include 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

    ?
    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
    CUBOT KingKong ES 3 4G (6GB + 256GB) 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
    CUBOT KingKong ES 3 4G (6GB + 256GB) does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
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    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

    177.4 mm
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a height of 177.4 mm which is taller than 96.6% of smartphones and equal to that of 0.3% 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

    83.7 mm
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a width of 83.7 mm which is wider than 95.6% of smartphones and equal to that of 0% 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

    15.3 mm
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a thickness of 15.3 mm which is thicker than 93.4% of smartphones and equal to that of 0.2% 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

    352 g
    CUBOT KingKong ES 3 4G (6GB + 256GB) weighs 352 g which is heavier than 94.4% of smartphones 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

    220,365 cm³
    CUBOT KingKong ES 3 4G (6GB + 256GB) has a device volume of 220365 cm³ which is larger than 94.3% of smartphones of smartphones.
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    CUBOT KingKong ES 3 4G (6GB + 256GB) vs the average smartphone

    • 2.04x larger battery capacity
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a larger battery capacity than the average smartphone (10,200 mAh vs 5,000 mAh). The average smartphone battery is 5,000 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

      CUBOT KingKong ES 3 4G (6GB + 256GB) has a larger battery capacity than the average smartphone (10,200 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.10200 mAh vs 5000 mAh
    • Better IP rating
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a better IP rating than the average smartphone (IP68/IP69K vs IP67). The average IP rating is IP67.
      What it is: A standardized code (Ingress Protection) indicating the device's resistance to dust and water intrusion.
      When it matters: When you want to know if your phone can survive a splash, a dunk, or a dusty environment.

      Importance: MEDIUM

      CUBOT KingKong ES 3 4G (6GB + 256GB) has a better IP rating than the average smartphone (IP68/IP69K vs IP67). The average IP rating is IP67.IP68/IP69K vs IP67
    • Has a rugged design
      CUBOT KingKong ES 3 4G (6GB + 256GB) features a rugged design, the average smartphone does not. 7.5% of smartphones are built for durability.
      What it is: A build reinforced with shock-absorbing materials to withstand drops, extreme temperatures, and harsh environments.
      When it matters: When you work in construction or outdoors and need a phone that can take a beating.

      Importance: LOW

      CUBOT KingKong ES 3 4G (6GB + 256GB) features a rugged design, the average smartphone does not. 7.5% of smartphones are built for durability.
    • Has FM radio
      CUBOT KingKong ES 3 4G (6GB + 256GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
      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

      CUBOT KingKong ES 3 4G (6GB + 256GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
    • 0.08 inches larger screen size
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.
      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

      CUBOT KingKong ES 3 4G (6GB + 256GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.6.75 inches vs 6.67 inches
    • 14.3% higher maximum RAM
      CUBOT KingKong ES 3 4G (6GB + 256GB) supports more maximum RAM than the average smartphone (16 GB vs 14 GB). The average smartphone supports 14 GB RAM.
      What it is: The highest amount of RAM that the device’s chipset or architecture can support, regardless of how much is actually installed.
      When it matters: When you are considering the long-term potential of the hardware platform.

      Importance: MEDIUM

      Good value: >16 GB

      CUBOT KingKong ES 3 4G (6GB + 256GB) supports more maximum RAM than the average smartphone (16 GB vs 14 GB). The average smartphone supports 14 GB RAM.16 GB vs 14 GB
    • Supports fast boot
      CUBOT KingKong ES 3 4G (6GB + 256GB) supports fast boot, the average smartphone does not. 22.4% of smartphones include fast boot capabilities.
      What it is: The time it takes for the smartphone to power on and become fully operational.
      When it matters: When you restart your phone and want to get back to using it quickly.

      Importance: LOW

      CUBOT KingKong ES 3 4G (6GB + 256GB) supports fast boot, the average smartphone does not. 22.4% of smartphones include fast boot capabilities.
    • Includes cross-site tracking protection
      CUBOT KingKong ES 3 4G (6GB + 256GB) supports cross-site tracking prevention, the average smartphone does not. 32.2% of smartphones include this feature.
      What it is: A privacy safeguard that prevents websites from tracking users across different domains and services.
      When it matters: When you browse the web and want to prevent advertisers from following your digital footprint.

      Importance: LOW

      CUBOT KingKong ES 3 4G (6GB + 256GB) supports cross-site tracking prevention, the average smartphone does not. 32.2% of smartphones include this feature.
    • 14.3% higher maximum RAM
      CUBOT KingKong ES 3 4G (6GB + 256GB) supports more maximum RAM than the average smartphone (16 GB vs 14 GB). The average smartphone supports 14 GB RAM.
    • Supports fast boot
      CUBOT KingKong ES 3 4G (6GB + 256GB) supports fast boot, the average smartphone does not. 22.4% of smartphones include fast boot capabilities.
    • Includes cross-site tracking protection
      CUBOT KingKong ES 3 4G (6GB + 256GB) supports cross-site tracking prevention, the average smartphone does not. 32.2% of smartphones include this feature.
    • Newer Android version
      CUBOT KingKong ES 3 4G (6GB + 256GB) features a newer Android version than the average smartphone (Android 15 vs Android 14). The average version is Android 14.
    • 0.08 inches larger screen size
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.
    • 2.04x larger battery capacity
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a larger battery capacity than the average smartphone (10,200 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.
    • Has FM radio
      CUBOT KingKong ES 3 4G (6GB + 256GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
    • Better IP rating
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a better IP rating than the average smartphone (IP68/IP69K vs IP67). The average IP rating is IP67.
    • Has a rugged design
      CUBOT KingKong ES 3 4G (6GB + 256GB) features a rugged design, the average smartphone does not. 7.5% of smartphones are built for durability.

    Total
    Overall
    Performance & Hardware
    Software
    Display
    Battery
    Audio
    Design
    • Worse processor
      CUBOT KingKong ES 3 4G (6GB + 256GB) uses a worse processor than the average smartphone (Unisoc T615 vs Qualcomm Snapdragon 7 Gen 3).
    • 2x larger process node
      CUBOT KingKong ES 3 4G (6GB + 256GB) is manufactured on a larger process node than the average smartphone (12 nm vs 6 nm). The average smartphone uses a 6 nm process.
    • 32.1% slower memory speed
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower memory speed than the average smartphone (1,866 MHz vs 2,750 MHz). The average smartphone has a memory speed of 2,750 MHz.
    • 44.4% lower Geekbench 6 multi-core benchmark score
      CUBOT KingKong ES 3 4G (6GB + 256GB) performs worse in Geekbench 6 multi-core than the average smartphone (1,408 vs 2,533). The average smartphone scores 2,533 in the Geekbench 6 multi-core test.
    • 85.4% lower 3DMark Wild Life Unlimited benchmark
      CUBOT KingKong ES 3 4G (6GB + 256GB) scores lower in 3DMark Wild Life Unlimited than the average smartphone (560 vs 3,825). The average smartphone scores 3,825.
    • 25% lower CPU boost clock speed
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower CPU boost clock speed than the average smartphone (1.8 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 87.2% lower 3DMark Wild Life Extreme benchmark
      CUBOT KingKong ES 3 4G (6GB + 256GB) scores lower in 3DMark Wild Life Extreme than the average smartphone (157 vs 1,226). The average smartphone scores 1,226.
    • 81.7% lower 3DMark Wild Life benchmark
      CUBOT KingKong ES 3 4G (6GB + 256GB) performs worse in the 3DMark Wild Life benchmark than the average smartphone (571 vs 3,115). The average smartphone scores 3,115 in this benchmark.
    • 2 GB less RAM
      CUBOT KingKong ES 3 4G (6GB + 256GB) has less RAM than the average smartphone (6 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 10.5% slower GPU clock
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower GPU frequency than the average smartphone (850 MHz vs 950 MHz). The average smartphone has a GPU frequency of 950 MHz.
    • 12.9% lower PCMark Work 3.0 Performance benchmark
      CUBOT KingKong ES 3 4G (6GB + 256GB) performs worse in PCMark Work 3.0 than the average smartphone (9,394 vs 10,783). The average smartphone scores 10,783 in PCMark Work 3.0.
    • Lower CPU base clock speed
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower CPU base clock speed than the average smartphone (2x1.8 GHz & 6x1.6 GHz vs 2x2.2 GHz & 6x2 GHz). The average smartphone has a base clock speed of 2x2.2 GHz & 6x2 GHz.
    • 1 fewer memory channels
      CUBOT KingKong ES 3 4G (6GB + 256GB) supports fewer memory channels than the average smartphone (1 vs 2). The average smartphone supports 2 channels.
    • Lacks app tracking protection
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not have app tracking protection, the average smartphone does. 70.3% of smartphones include app tracking protection.
    • Worse main camera video quality
      CUBOT KingKong ES 3 4G (6GB + 256GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    • Lower-resolution main camera
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower-resolution main camera than the average smartphone (48 MP & 2 MP & 0.3 MP vs 50 MP & 8 MP). The average smartphone has a 50 MP & 8 MP main camera.
    • Lacks HDR mode
      CUBOT KingKong ES 3 4G (6GB + 256GB) lacks an HDR mode, the average smartphone has one. 97.2% of smartphones support HDR photography.
      0
    • No slow-motion recording
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not support slow-motion recording, the average smartphone does. 90.3% of smartphones offer slow-mo features.
    • No manual exposure control
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not offer manual exposure control, the average smartphone does. 94.1% of smartphones have manual exposure.
    • No manual ISO control
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not allow manual ISO control, the average smartphone does. 98.7% of smartphones include manual ISO settings.
    • 4.1% smaller main camera sensor area
      CUBOT KingKong ES 3 4G (6GB + 256GB) 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.
    • No 5G connectivity
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • No gyroscope
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not have a gyroscope, the average smartphone does. 84.3% of smartphones feature a gyroscope.
    • Older Bluetooth version
      CUBOT KingKong ES 3 4G (6GB + 256GB) uses an older Bluetooth version than the average smartphone (5 vs 5.2). The average smartphone uses Bluetooth 5.2.
    • No fingerprint scanner
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not have a fingerprint scanner, the average smartphone does. 96.4% of smartphones include a fingerprint scanner.
    • Inferior display type
      CUBOT KingKong ES 3 4G (6GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED). 0.00% of smartphones use the superior display type.
    • 34.2% lower pixel density
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower pixel density than the average smartphone (260 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • 25% lower refresh rate
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    • Lower screen resolution
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower screen resolution than the average smartphone (720x1600 px vs 1080x2400 px). The average smartphone has a resolution of 1080x2400 px.
    • Worse display glass type
      CUBOT KingKong ES 3 4G (6GB + 256GB) uses a worse display glass type than the average smartphone (Corning Gorilla Glass vs Corning Gorilla Glass 5). 0.00% of smartphones use the better glass type.
    • No stereo speakers
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • No LDAC support
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
    • No aptX support
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
    • 79.4% heavier
      CUBOT KingKong ES 3 4G (6GB + 256GB) is heavier than the average smartphone (352 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • 13.8 mm taller
      CUBOT KingKong ES 3 4G (6GB + 256GB) is taller than the average smartphone (177.4 mm vs 163.6 mm). The average smartphone has a height of 163.6 mm.
    • 7.7 mm wider
      CUBOT KingKong ES 3 4G (6GB + 256GB) is wider than the average smartphone (83.7 mm vs 76 mm). The average smartphone has a width of 76 mm.
    • 7 mm thicker
      CUBOT KingKong ES 3 4G (6GB + 256GB) is thicker than the average smartphone (15.3 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • 2.25x larger volume
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a larger volume than the average smartphone (220,365 cm³ vs 97,800 cm³). The average smartphone volume is 97,800 cm³.
    • Worse processor
      CUBOT KingKong ES 3 4G (6GB + 256GB) uses a worse processor than the average smartphone (Unisoc T615 vs Qualcomm Snapdragon 7 Gen 3).
      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

      CUBOT KingKong ES 3 4G (6GB + 256GB) uses a worse processor than the average smartphone (Unisoc T615 vs Qualcomm Snapdragon 7 Gen 3).Unisoc T615 vs Qualcomm Snapdragon 7 Gen 3
    • Inferior display type
      CUBOT KingKong ES 3 4G (6GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED). 0.00% of smartphones use the superior 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

      CUBOT KingKong ES 3 4G (6GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED). 0.00% of smartphones use the superior display type.IPS LCD vs OLED/AMOLED
    • No 5G connectivity
      CUBOT KingKong ES 3 4G (6GB + 256GB) 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

      CUBOT KingKong ES 3 4G (6GB + 256GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • No stereo speakers
      CUBOT KingKong ES 3 4G (6GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature 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

      CUBOT KingKong ES 3 4G (6GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • 34.2% lower pixel density
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower pixel density than the average smartphone (260 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

      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower pixel density than the average smartphone (260 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.260 ppi vs 395 ppi
    • 2x larger process node
      CUBOT KingKong ES 3 4G (6GB + 256GB) is manufactured on a larger process node than the average smartphone (12 nm vs 6 nm). The average smartphone uses a 6 nm process.
      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

      CUBOT KingKong ES 3 4G (6GB + 256GB) is manufactured on a larger process node than the average smartphone (12 nm vs 6 nm). The average smartphone uses a 6 nm process.12 nm vs 6 nm
    • 25% lower refresh rate
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
      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

      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.90 Hz vs 120 Hz
    • Lower screen resolution
      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower screen resolution than the average smartphone (720x1600 px vs 1080x2400 px). The average smartphone has a resolution of 1080x2400 px.
      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

      CUBOT KingKong ES 3 4G (6GB + 256GB) has a lower screen resolution than the average smartphone (720x1600 px vs 1080x2400 px). The average smartphone has a resolution of 1080x2400 px.720x1600 px vs 1080x2400 px
    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Audio
    Design

    Graphic comparison of CUBOT KingKong ES 3 4G (6GB + 256GB) and other smartphones

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    Third-party reviews

    United Kingdom
    Amazon
    4.6
    46 Reviews

    (Reviews last updated: March 2026)

    What customers like about CUBOT KingKong ES 3 4G (6GB + 256GB)?

    • High durability with IP68 and IP69K ratings for dust, water, and drop resistance
    • Excellent battery life (5100 mAh) that reliably lasts over a full day of typical use
    • Affordable price point, often cited as providing great value for a rugged device
    • Smooth display experience with a 90Hz refresh rate on the 6.56-inch HD+ screen
    • Slimmer and lighter design (12.8 mm thickness) compared to traditional 'brick-like' rugged phones
    • Stock Android 14 operating system without excessive pre-installed bloatware

    What customers dislike about CUBOT KingKong ES 3 4G (6GB + 256GB)?

    • Lack of a fingerprint scanner for biometric security, relying solely on face unlock or PIN
    • Poor speaker placement on the back panel, which can lead to muffled audio during use
    • Mediocre camera performance, particularly in low-light conditions and with moving objects
    • No NFC support for contactless payments in several regional versions
    • Performance lags under heavy loads due to the entry-level Unisoc T606 processor
    • Low display resolution (720 x 1612 HD+) and limited brightness in direct sunlight

    Expert reviews

    R
    root-nation.com
    12/09/2024
    Review ratings for the Cubot KingKong ES rugged smartphone

    The Cubot KingKong ES is reviewed as a budget-friendly rugged smartphone balancing durability with a slimmer design at $100–$130, featuring IP68/IP69K ratings, a lightweight build, and a 90 Hz display but lacking NFC and a fingerprint scanner. The device runs on a Unisoc Tiger T606 processor with 6 GB RAM and stock Android 14, providing reliable daily performance despite some...Read more

    R
    root-nation.com
    09/10/2025
    Cubot KingKong ES 3 review: slim, protected, budget-friendly

    The Cubot KingKong ES 3 is a budget-friendly rugged smartphone with a large 10,200 mAh battery supporting 33W fast charging and a 6.75-inch HD+ display. Its key strengths include rugged durability certifications (IP68, IP69K, MIL-STD-810H), 256 GB expandable storage, and a programmable "Smart Key," but it lacks a fingerprint scanner, has a low-brightness display, and no 3.5mm...Read more

    S
    smartzone.de
    25/09/2025
    Smartzone.de: Cubot KingKong ES 3 Review

    The Cubot KingKong ES 3 is identified as a cost-effective, rugged smartphone that avoids a bulky design, featuring IP68/IP69K/MIL-STD-810H durability, Android 15, and 256 GB storage. Performance is driven by a Unisoc T615 processor with 6 GB RAM, which is adequate for daily tasks, while the massive 10,200 mAh battery provides 2–3 days of usage. Key drawbacks include a dim 720p 90Hz...Read more

    (Translated)Show original
    D
    de.root-nation.com
    09/10/2025
    Cubot KingKong ES 3 Review: Rugged, Protected, Budget-Friendly

    The Cubot KingKong ES 3 is a budget-friendly, 15.3mm thick rugged smartphone featuring an aerospace-grade aluminum frame with IP68, IP69K, and MIL-STD-810H certifications. It boasts a 10,200 mAh battery with 33W charging, a 6.75-inch 90Hz HD+ display, and is powered by a Unisoc T615 processor with 6GB RAM (expandable to 16GB). While suitable for daily tasks, performance limitations...Read more

    (Translated)Show original
    F
    fr.root-nation.com
    09/10/2025
    Cubot KingKong ES 3 Review: Rugged, Protected, and Affordable

    The Cubot KingKong ES 3 is a budget-friendly, durable smartphone focused on endurance, featuring IP68/IP69K/MIL-STD-810H certifications and a 10,200 mAh battery. While its 6.75-inch, 90Hz display offers smooth scrolling, it is limited by a low 720p resolution and mediocre, low-light-struggling cameras. Performance, driven by a Unisoc T615 processor, is adequate for daily tasks but...Read more

    (Translated)Show original
    E
    es.root-nation.com
    09/10/2025
    Cubot KingKong ES Review: Rugged, Protected, and Budget-Friendly

    The Cubot KingKong ES is a budget-focused, durable smartphone offering IP68/IP69K protection, a 6.56-inch 90Hz display, and a practical 5100 mAh battery, all housed in a relatively compact design. It is powered by a Unisoc T606 processor and includes a customizable "Smart Key" for added convenience. While praised for its durability and battery life, the device lacks NFC and a...Read more

    (Translated)Show original
    I
    it.root-nation.com
    09/10/2025
    Cubot KingKong ES 3 Review: Rugged, Protected, and Affordable

    The Cubot KingKong ES 3 is a budget-friendly, durable smartphone featuring a 10,200 mAh battery within a relatively slim 15.3 mm, aerospace-grade aluminum frame. Certified for IP68, IP69K, and MIL-STD-810H standards, it offers robust protection against drops, water, and harsh conditions. Key pros include the massive battery life, 33W fast charging, and 90Hz refresh rate on the...Read more

    (Translated)Show original
    N
    nl.root-nation.com
    09/10/2025
    Cubot KingKong ES review

    The Root-Nation review highlights the Cubot KingKong ES 3 as an affordable, rugged smartphone featuring a massive 10,200 mAh battery capable of 2–3 days of use, alongside 33W fast charging and a relatively comfortable 15.3 mm thickness. Performance is driven by a Unisoc Tiger T615 processor with 6GB RAM (expandable) and 256GB storage, suitable for daily tasks rather than demanding...Read more

    (Translated)Show original

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