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CUBOT Note 21 (12GB + 128GB) Review | 197 Data compared

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  • Avg. price: ~£95
  • RAM capacity: 12 GB
  • Internal storage: 128 GB
  • Screen size: 6.56 inches
  • Main camera megapixels: 50 MP & 2 MP

CUBOT Note 21 (12GB + 128GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

6.4

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%

6.2

Technical Score

10.0%

8.7

User score

Good
6.2

Technical Score

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

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

Score components:

25.0%

6.6

Performance & Hardware

18.0%

5.3

Camera

15.0%

6.1

Display

15.0%

6.8

Battery

10.0%

7.2

Software

10.0%

6.0

Connectivity

4.0%

2.1

Audio

3.0%

7.0

Design

Good
8.7

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%

8.2

User reviews

30.0%

10

Popularity

User score:
amazon
4.0
(550)
amazon
4.3
(186)

(Reviews last updated: Mar 2026)

Excellent
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    Best prices

      N/A~ £95

    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 CUBOT Note 21 (12GB + 128GB)

    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%

    6.6

    Performance & Hardware

    18.0%

    5.3

    Camera

    15.0%

    6.1

    Display

    15.0%

    6.8

    Battery

    10.0%

    7.2

    Software

    10.0%

    6.0

    Connectivity

    4.0%

    2.1

    Audio

    3.0%

    7.0

    Design

    6.2
    CUBOT Note 21 (12GB + 128GB) has a technical score of 6.18 points, which is lower than 90.2% 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%

    8.2

    User reviews

    30.0%

    10

    Popularity

    User score:
    amazon
    4.0
    (550)
    amazon
    4.3
    (186)

    (Reviews last updated: Mar 2026)

    8.7
    CUBOT Note 21 (12GB + 128GB) has a user score of 8.71 points, which is higher than 72.2% 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.
    10
    CUBOT Note 21 (12GB + 128GB) has a popularity of 10 points, which is higher than 70.5% 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%

    6.4

    Overall score

    40.0%

    10

    Price

    7.9
    CUBOT Note 21 (12GB + 128GB) has a quality-to-price ratio of 7.9 points, which is higher than 43.9% 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

    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 T606
    CUBOT Note 21 (12GB + 128GB) uses the Unisoc T606 processor model which is slower than processors in 84.3% of smartphones and equal to processors in 3.4% 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

    12 GB
    CUBOT Note 21 (12GB + 128GB) has a RAM capacity of 12 GB which is larger than the RAM capacity of 59% of smartphones and equal to that of 24.3% of smartphones.
    Internal storage
    What it is: The total built-in space available for apps, media, and files.
    When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

    Importance: HIGH

    Good value: >256 GB

    128 GB
    CUBOT Note 21 (12GB + 128GB) has an internal storage capacity of 128 GB which is smaller than the storage of 61.2% of smartphones and equal to that of 28.4% 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

    1.6 GHz
    The CPU boost clock speed of CUBOT Note 21 (12GB + 128GB) is 1.6 GHz which is lower than the boost speed of 95% of smartphones and equal to that of 4.4% 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 13
    CUBOT Note 21 (12GB + 128GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 13
    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 13
    CUBOT Note 21 (12GB + 128GB) runs Android version Android 13 which is older than that found in 50.6% of smartphones and equal to that in 16.5% 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
    CUBOT Note 21 (12GB + 128GB) 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
    CUBOT Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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 & 2 MP
    CUBOT Note 21 (12GB + 128GB) has a main camera resolution of 50 MP & 2 MP MP which is lower than that of 57.5% of smartphones and equal to that of 12.9% 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

    20.5 mm²
    CUBOT Note 21 (12GB + 128GB) has a main camera sensor area of 20.5 mm² which is smaller than the main camera sensor area of 76.1% of smartphones and equal to that of 12.9% 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

    0.64 µm
    1.28 binned
    CUBOT Note 21 (12GB + 128GB) has a main camera pixel size of 0.64 µm which is smaller than in 75.1% of smartphones and equal to the size in 18.6% of smartphones.
    1.28 binned
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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 Note 21 (12GB + 128GB) has 2 SIM slots, which is more than in 3.8% of smartphones and equal to the number in 96.1% of smartphones.
    Cellular module
    What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.
    When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

    Importance: LOW

    yes
    CUBOT Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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

    6.56 inches
    CUBOT Note 21 (12GB + 128GB) has a screen size of 6.56 inches which is smaller than the screens of 72.3% of smartphones and equal to those of 3.9% 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 1612 px
    CUBOT Note 21 (12GB + 128GB) has a screen resolution of 720 x 1612 px which is lower than that of 78.8% of smartphones and equal to that of 5.3% 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

    269 ppi
    CUBOT Note 21 (12GB + 128GB) has a pixel density of 269 ppi which is lower than that of 80.2% of smartphones and equal to that of 5.4% 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 Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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

    5200 mAh
    CUBOT Note 21 (12GB + 128GB) has a battery capacity of 5200 mAh which is larger than the batteries in 64.2% of smartphones and equal to those in 2.3% 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

    10 W
    CUBOT Note 21 (12GB + 128GB) supports charging speeds of 10 W which is slower than in 93.7% of smartphones and equal to speeds in 5.8% 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 Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) does not support wireless charging. 25.3% of smartphones support wireless charging.
    Show more
    Stereo speakers
    What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
    When it matters: When you watch videos or play games without headphones and want immersive sound.

    Importance: MEDIUM

    no
    CUBOT Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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

    1
    CUBOT Note 21 (12GB + 128GB) has 1 microphones, which is fewer than in 89.6% of smartphones and equal to the number in 10.4% 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
    CUBOT Note 21 (12GB + 128GB) 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

    no
    CUBOT Note 21 (12GB + 128GB) does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
    Show more
    Height
    What it is: The vertical dimension of the device.
    When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

    Importance: LOW

    Good value: <162 mm

    165.8 mm
    CUBOT Note 21 (12GB + 128GB) has a height of 165.8 mm which is taller than 73.9% of smartphones and equal to that of 0.8% 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

    75.9 mm
    CUBOT Note 21 (12GB + 128GB) has a width of 75.9 mm which is narrower than 50.4% of smartphones and equal to that of 2.4% 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

    10.6 mm
    CUBOT Note 21 (12GB + 128GB) has a thickness of 10.6 mm which is thicker than 90.1% of smartphones and equal to that of 0% 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

    214 g
    CUBOT Note 21 (12GB + 128GB) weighs 214 g which is heavier than 77% of smartphones and equal to the weight of 0.3% 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

    123750 cm³
    CUBOT Note 21 (12GB + 128GB) has a device volume of 123750 cm³ which is larger than 88.6% of smartphones and equal to that of 0.1% of smartphones.
    Show more

    CUBOT Note 21 (12GB + 128GB) vs the average smartphone

    • 4 GB more RAM
      CUBOT Note 21 (12GB + 128GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
      What it is: The amount of volatile memory available for running apps and multitasking.
      When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

      Importance: HIGH

      Good value: >12 GB

      CUBOT Note 21 (12GB + 128GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.12 GB vs 8 GB
    • 52.2% higher PCMark Work 3.0 battery benchmark
      CUBOT Note 21 (12GB + 128GB) has a higher PCMark Work 3.0 battery benchmark score than the average smartphone (1196 min vs 786 min). The average score is 786 min.
      What it is: A synthetic benchmark that measures battery life by simulating continuous productivity tasks until depletion.
      When it matters: When you want to compare battery endurance under continuous productivity workloads.

      Importance: MEDIUM

      Good value: >800

      CUBOT Note 21 (12GB + 128GB) has a higher PCMark Work 3.0 battery benchmark score than the average smartphone (1196 min vs 786 min). The average score is 786 min.1196 min vs 786 min
    • 4% larger battery capacity
      CUBOT Note 21 (12GB + 128GB) has a larger battery capacity than the average smartphone (5200 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
      What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
      When it matters: When you want a general idea of how large the battery is physically.

      Importance: HIGH

      Good value: >5000 mAh

      CUBOT Note 21 (12GB + 128GB) has a larger battery capacity than the average smartphone (5200 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.5200 mAh vs 5000 mAh
    • Allows app offloading
      CUBOT Note 21 (12GB + 128GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
      What it is: The ability to remove unused apps from the device while preserving their data for later reinstallation.
      When it matters: When you are low on space but want to keep app data for the future.

      Importance: LOW

      CUBOT Note 21 (12GB + 128GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
    • 2.74x cheaper
      CUBOT Note 21 (12GB + 128GB) is cheaper than the average smartphone (£95 vs £260).
      CUBOT Note 21 (12GB + 128GB) is cheaper than the average smartphone (£95 vs £260).£95 vs £260
    • 2x more L1
      CUBOT Note 21 (12GB + 128GB) has more L1 cache than the average smartphone (128 KB vs 64 KB). The average L1 cache is 64 KB.
      What it is: The smallest and fastest level of cache memory located inside the CPU core. It stores frequently accessed data for rapid access by the processor.
      When it matters: When you need the processor to access its most immediate instructions instantly.

      Importance: LOW

      Good value: >512 KB

      CUBOT Note 21 (12GB + 128GB) has more L1 cache than the average smartphone (128 KB vs 64 KB). The average L1 cache is 64 KB.128 KB vs 64 KB
    • 8.8% higher user score
      CUBOT Note 21 (12GB + 128GB) has a higher user score than the average smartphone (8.71 vs 8.0).
      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.
      CUBOT Note 21 (12GB + 128GB) has a higher user score than the average smartphone (8.71 vs 8.0).8.71 vs 8.0
    • 4 GB more RAM
      CUBOT Note 21 (12GB + 128GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 2x more L1
      CUBOT Note 21 (12GB + 128GB) has more L1 cache than the average smartphone (128 KB vs 64 KB). The average L1 cache is 64 KB.
    • Allows app offloading
      CUBOT Note 21 (12GB + 128GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
    • 52.2% higher PCMark Work 3.0 battery benchmark
      CUBOT Note 21 (12GB + 128GB) has a higher PCMark Work 3.0 battery benchmark score than the average smartphone (1196 min vs 786 min). The average score is 786 min.
    • 4% larger battery capacity
      CUBOT Note 21 (12GB + 128GB) has a larger battery capacity than the average smartphone (5200 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.

    Total
    Overall
    Performance & Hardware
    Software
    Battery
    • Worse processor
      CUBOT Note 21 (12GB + 128GB) uses a worse processor than the average smartphone (Unisoc T606 vs Qualcomm Snapdragon 6s Gen 3 ).
    • 2x larger process node
      CUBOT Note 21 (12GB + 128GB) is manufactured on a larger process node than the average smartphone (12 nm vs 6 nm). The average smartphone uses a 6 nm process.
    • 50% less storage
      CUBOT Note 21 (12GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.
    • 41.8% slower memory speed
      CUBOT Note 21 (12GB + 128GB) has a lower memory speed than the average smartphone (1600 MHz vs 2750 MHz). The average smartphone has a memory speed of 2750 MHz.
    • Lacks multithreading support
      CUBOT Note 21 (12GB + 128GB) does not support multithreading, the average smartphone does. 80.5% of smartphones support multithreading.
    • 33.3% lower CPU boost clock speed
      CUBOT Note 21 (12GB + 128GB) has a lower CPU boost clock speed than the average smartphone (1.6 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 50% lower memory bandwidth
      CUBOT Note 21 (12GB + 128GB) has lower memory bandwidth than the average smartphone (12.8 GB/s vs 25.6 GB/s). The average smartphone has a bandwidth of 25.6 GB/s.
    • 0
      CUBOT Note 21 (12GB + 128GB) scores lower in 3DMark Wild Life Extreme than the average smartphone (0 vs 1,226). The average smartphone scores 1,226.
    • Lacks NX Bit security
      CUBOT Note 21 (12GB + 128GB) does not support NX Bit, the average smartphone does. 94.7% of smartphones support NX Bit.
    • Lower CPU base clock speed
      CUBOT Note 21 (12GB + 128GB) has a lower CPU base clock speed than the average smartphone (2x 1.6 GHz & 6x 1.6 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 .
    • Lacks app tracking protection
      CUBOT Note 21 (12GB + 128GB) does not have app tracking protection, the average smartphone does. 70.3% of smartphones include app tracking protection.
    • No live text recognition
      CUBOT Note 21 (12GB + 128GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • Older Android version
      CUBOT Note 21 (12GB + 128GB) runs an older Android version than the average smartphone (Android 13 vs Android 14 ). The average smartphone runs Android version Android 14 .
    • Worse main camera video quality
      CUBOT Note 21 (12GB + 128GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    • Lower front camera megapixels
      CUBOT Note 21 (12GB + 128GB) has lower front camera megapixels than the average smartphone (8 MP vs 16 MP ). The average smartphone has a 16 MP front camera.
    • 35.9% smaller main camera sensor area
      CUBOT Note 21 (12GB + 128GB) has a smaller main camera sensor area than the average smartphone (20.5 mm² vs 32 mm²). The average smartphone sensor area is 32 mm².
    • No slow-motion recording
      CUBOT Note 21 (12GB + 128GB) does not support slow-motion recording, the average smartphone does. 90.3% of smartphones offer slow-mo features.
    • No timelapse video
      CUBOT Note 21 (12GB + 128GB) does not support timelapse video, the average smartphone does. 92.2% of smartphones include timelapse modes.
    • 0.16 µm smaller main camera pixel size
      CUBOT Note 21 (12GB + 128GB) has a smaller main camera pixel size than the average smartphone (0.6 µm vs 0.8 µm). The average smartphone has a pixel size of 0.8 µm.
      1.28 binned
    • Lower-resolution main camera
      CUBOT Note 21 (12GB + 128GB) has a lower-resolution main camera than the average smartphone (50 MP & 2 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.
    • Narrower front camera aperture
      CUBOT Note 21 (12GB + 128GB) has a narrower front camera aperture than the average smartphone (f/2.4 vs f/2.2 ). The average smartphone front aperture is f/2.2 .
    • No 5G connectivity
      CUBOT Note 21 (12GB + 128GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • No NFC
      CUBOT Note 21 (12GB + 128GB) does not support NFC, the average smartphone does. 83.1% of smartphones feature NFC.
    • No gyroscope
      CUBOT Note 21 (12GB + 128GB) does not have a gyroscope, the average smartphone does. 84.3% of smartphones feature a gyroscope.
    • Older Bluetooth version
      CUBOT Note 21 (12GB + 128GB) uses an older Bluetooth version than the average smartphone (5.0 vs 5.2). The average smartphone uses Bluetooth 5.2.
    • Inferior display type
      CUBOT Note 21 (12GB + 128GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.
    • 25% lower refresh rate
      CUBOT Note 21 (12GB + 128GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    • 31.9% lower pixel density
      CUBOT Note 21 (12GB + 128GB) has a lower pixel density than the average smartphone (269 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • Lower screen resolution
      CUBOT Note 21 (12GB + 128GB) has a lower screen resolution than the average smartphone (720x 1612 px vs 1080x 2400 px ). The average smartphone has a resolution of 1080x 2400 px .
    • 0.11 inches smaller screen size
      CUBOT Note 21 (12GB + 128GB) has a smaller screen size than the average smartphone (6.6 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
    • 69.7% slower charging speed
      CUBOT Note 21 (12GB + 128GB) has a slower charging speed than the average smartphone (10 W vs 33 W). The average smartphone charges at 33 W.
    • No stereo speakers
      CUBOT Note 21 (12GB + 128GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • No LDAC support
      CUBOT Note 21 (12GB + 128GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
    • No aptX support
      CUBOT Note 21 (12GB + 128GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
    • 1 fewer microphone/s
      CUBOT Note 21 (12GB + 128GB) has fewer microphones than the average smartphone (1 vs 2). The average smartphone has 2 microphones.
    • 1.5 m shallower water resistance
      CUBOT Note 21 (12GB + 128GB) has a shallower water resistance depth than the average smartphone (0 m vs 1.5 m). The average smartphone is resistant to 1.5 m.
    • 2.3 mm thicker
      CUBOT Note 21 (12GB + 128GB) is thicker than the average smartphone (10.6 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • 9.1% heavier
      CUBOT Note 21 (12GB + 128GB) is heavier than the average smartphone (214 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • 2.2 mm taller
      CUBOT Note 21 (12GB + 128GB) is taller than the average smartphone (165.8 mm vs 163.6 mm). The average smartphone has a height of 163.6 mm.
    • 26.5% larger volume
      CUBOT Note 21 (12GB + 128GB) has a larger volume than the average smartphone (123750 cm³ vs 97800 cm³). The average smartphone volume is 97800 cm³.
    • Inferior display type
      CUBOT Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • No stereo speakers
      CUBOT Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • Worse processor
      CUBOT Note 21 (12GB + 128GB) uses a worse processor than the average smartphone (Unisoc T606 vs Qualcomm Snapdragon 6s 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 Note 21 (12GB + 128GB) uses a worse processor than the average smartphone (Unisoc T606 vs Qualcomm Snapdragon 6s Gen 3 ).Unisoc T606 vs Qualcomm Snapdragon 6s Gen 3
    • 2x larger process node
      CUBOT Note 21 (12GB + 128GB) 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 Note 21 (12GB + 128GB) 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
    • 50% less storage
      CUBOT Note 21 (12GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.
      What it is: The total built-in space available for apps, media, and files.
      When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

      Importance: HIGH

      Good value: >256 GB

      CUBOT Note 21 (12GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.128 GB vs 256 GB
    • 41.8% slower memory speed
      CUBOT Note 21 (12GB + 128GB) has a lower memory speed than the average smartphone (1600 MHz vs 2750 MHz). The average smartphone has a memory speed of 2750 MHz.
      What it is: The rate at which the device’s RAM can transfer data, measured in MHz or GB/s.
      When it matters: When you need faster app loading times and snappier overall system responsiveness.

      Importance: MEDIUM

      Good value: >3200 MHz

      CUBOT Note 21 (12GB + 128GB) has a lower memory speed than the average smartphone (1600 MHz vs 2750 MHz). The average smartphone has a memory speed of 2750 MHz.1600 MHz vs 2750 MHz
    • Lacks multithreading support
      CUBOT Note 21 (12GB + 128GB) does not support multithreading, the average smartphone does. 80.5% of smartphones support multithreading.
      What it is: Indicates whether the CPU can handle multiple threads per core to improve multitasking.
      When it matters: When you want better efficiency and speed while running background tasks alongside active apps.

      Importance: MEDIUM

      CUBOT Note 21 (12GB + 128GB) does not support multithreading, the average smartphone does. 80.5% of smartphones support multithreading.
    Total
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Battery
    Audio
    Design

    Graphic comparison of CUBOT Note 21 (12GB + 128GB) and other smartphones

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    Third-party reviews

    amazon
    4.0
    550 Reviews
    amazon
    4.3
    186 Reviews

    (Reviews last updated: Mar 2026)

    4.0
    550 Reviews
    4.3
    186 Reviews

    (Reviews last updated: Mar 2026)

    What customers like about CUBOT Note 21 (12GB + 128GB)?

    • Excellent battery life with a 5200 mAh capacity that can last 2-3 days under normal use.
    • Smooth display performance featuring a 90Hz refresh rate unusual for its price point.
    • Great value for money, often cited as a top-performing budget smartphone.
    • Decent main camera quality (50MP) for basic photography in well-lit conditions.
    • Clean user experience with Android 13 and no pre-installed bloatware.
    • Generous memory options with 6GB physical RAM (expandable via virtual RAM) and 128GB storage.

    What customers dislike about CUBOT Note 21 (12GB + 128GB)?

    • Lacks a fingerprint scanner, relying solely on PIN or 2D face unlock.
    • No NFC support, meaning it cannot be used for contactless mobile payments.
    • Slow 10W charging speed for a large 5200 mAh battery.
    • Performance limitations with occasional lags and poor handling of demanding 3D games.
    • Missing 3.5mm headphone jack, which is still common in other budget models.
    • Mediocre secondary cameras, specifically poor detail in the selfie and macro lenses.
    • Outdated design elements like large screen bezels and a teardrop notch.

    Expert reviews

    R
    root-nation.com
    ?
    27/09/2023
    Cubot Note 21 smartphone review - Root-Nation.com

    The Cubot Note 21 is highlighted as an affordable budget smartphone featuring a 6.56-inch IPS display with a 90Hz refresh rate and good brightness, considered its main advantage despite a lower 720p resolution. It utilizes an entry-level Unisoc T606 chipset, providing sufficient performance for basic daily tasks, but struggles with demanding games and experiences occasional lag. The...Read more

    S
    smartzone.de
    ?
    07/10/2023
    Cubot Note 21 Review - Budget Smartphone with 90Hz

    The Cubot Note 21 is a budget-tier smartphone featuring a 6.56-inch 90Hz display and a clean Android 13 interface, providing a smooth experience for its price point. Powered by the Unisoc T606 processor, it offers 6GB of RAM and 128GB of storage, housed in a sturdy design with a matte finish. Key advantages include a substantial 5,200 mAh battery that lasts up to three days, though...Read more

    (Translated)Show original
    D
    de.root-nation.com
    ?
    27/09/2023
    Cubot Note 21: Review of a Budget Smartphone

    The Root-Nation review identifies the Cubot Note 21 as a budget-friendly, entry-level smartphone featuring a 6.56-inch, 90Hz IPS display and a clean Android 13 interface. Driven by a Unisoc T606 processor and 6GB of RAM, the device provides a smooth daily experience, though it may lag under heavy usage. Key advantages include a robust 5200 mAh battery offering 2-3 days of usage, a...Read more

    (Translated)Show original
    S
    smartzone.de
    ?
    07/10/2023
    Cubot Note 21 Review - Budget Smartphone with 90Hz

    The Cubot Note 21 is a budget-tier smartphone featuring a 6.56-inch 90Hz display and a clean Android 13 interface, providing a smooth experience for its price point. Powered by the Unisoc T606 processor, it offers 6GB of RAM and 128GB of storage, housed in a sturdy design with a matte finish. Key advantages include a substantial 5,200 mAh battery that lasts up to three days, though...Read more

    (Translated)Show original
    D
    de.root-nation.com
    ?
    27/09/2023
    Cubot Note 21: Review of a Budget Smartphone

    The Root-Nation review identifies the Cubot Note 21 as a budget-friendly, entry-level smartphone featuring a 6.56-inch, 90Hz IPS display and a clean Android 13 interface. Driven by a Unisoc T606 processor and 6GB of RAM, the device provides a smooth daily experience, though it may lag under heavy usage. Key advantages include a robust 5200 mAh battery offering 2-3 days of usage, a...Read more

    (Translated)Show original
    P
    profesionalreview.com
    ?
    06/09/2023
    Cubot Note 21: el nuevo smartphone de la marca

    The Cubot Note 21, featured on Profesional Review, is an entry-level smartphone praised for its 5,200 mAh battery, 90Hz display, and clean Android 13 experience, offering great value for its price. Key pros include a modern, smudge-resistant design and smooth performance for basic tasks. However, the device presents notable trade-offs, specifically in performance and photography,...Read more

    (Translated)Show original
    E
    es.root-nation.com
    ?
    27/09/2023
    Cubot Note 21: Review of an affordable smartphone

    The Cubot Note 21 is an affordable $100 smartphone featuring a 6.56-inch 90Hz IPS display, a Unisoc T606 chipset with 6GB RAM, and a clean Android 13 interface. Key advantages include a 5200 mAh battery providing 2-3 days of usage and a rich retail package containing a charger, case, and screen protector. However, the device lacks NFC for payments and a fingerprint scanner, uses...Read more

    (Translated)Show original
    P
    profesionalreview.com
    ?
    06/09/2023
    Cubot Note 21: el nuevo smartphone de la marca

    The Cubot Note 21, featured on Profesional Review, is an entry-level smartphone praised for its 5,200 mAh battery, 90Hz display, and clean Android 13 experience, offering great value for its price. Key pros include a modern, smudge-resistant design and smooth performance for basic tasks. However, the device presents notable trade-offs, specifically in performance and photography,...Read more

    (Translated)Show original
    E
    es.root-nation.com
    ?
    27/09/2023
    Cubot Note 21: Review of an affordable smartphone

    The Cubot Note 21 is an affordable $100 smartphone featuring a 6.56-inch 90Hz IPS display, a Unisoc T606 chipset with 6GB RAM, and a clean Android 13 interface. Key advantages include a 5200 mAh battery providing 2-3 days of usage and a rich retail package containing a charger, case, and screen protector. However, the device lacks NFC for payments and a fingerprint scanner, uses...Read more

    (Translated)Show original

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