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Xiaomi Mix 4 (12GB + 512GB) Review | 197 Data compared

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  • Avg. price: ~£730
  • RAM capacity: 12 GB
  • Internal storage: 512 GB
  • Screen size: 6.67 inches
  • Main camera megapixels: 108 MP & 8 MP & 13 MP

Xiaomi Mix 4 (12GB + 512GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

8.3

Overall score

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

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

Score components:

90.0%

8.3

Technical Score

10.0%

?

User score

Excellent
8.3

Technical Score

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

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

Score components:

25.0%

8.3

Performance & Hardware

18.0%

9.1

Camera

15.0%

7.4

Display

15.0%

9.1

Battery

10.0%

7.5

Software

10.0%

7.8

Connectivity

4.0%

8.6

Audio

3.0%

7.0

Design

Excellent
?

User score

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

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

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

    • No image
    No image

    Best prices

      N/A~ £730

    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 Xiaomi Mix 4 (12GB + 512GB)

    Technical Score

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

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

    Score components:

    25.0%

    ?

    Performance & Hardware

    18.0%

    ?

    Camera

    15.0%

    ?

    Display

    15.0%

    ?

    Battery

    10.0%

    ?

    Software

    10.0%

    ?

    Connectivity

    4.0%

    ?

    Audio

    3.0%

    ?

    Design

    8.3
    Xiaomi Mix 4 (12GB + 512GB) has a technical score of 8.26 points, which is higher than 83.4% of smartphones.
    User score

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

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

    Score components:

    70.0%

    0.0

    User reviews

    30.0%

    1.0

    Popularity

    ?
    Popularity
    What it is: An indicator based on the number of reviews received by the smartphone.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    1.0
    Xiaomi Mix 4 (12GB + 512GB) has a popularity of 1 points, which is lower than 67.4% of smartphones.
    Ratio quality/price

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

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

    Score components:

    60.0%

    8.3

    Overall score

    40.0%

    6.7

    Price

    7.6
    Xiaomi Mix 4 (12GB + 512GB) has a quality-to-price ratio of 7.6 points, which is lower than 74.5% 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

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

    Importance: HIGH

    Qualcomm Snapdragon 888
    Xiaomi Mix 4 (12GB + 512GB) uses the Qualcomm Snapdragon 888 processor which is faster than processors in 78% of smartphones and equal to processors in 2.2% 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
    Xiaomi Mix 4 (12GB + 512GB) 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

    512 GB
    Xiaomi Mix 4 (12GB + 512GB) has an internal storage capacity of 512 GB which is larger than the storage of 77.2% of smartphones and equal to that of 17.2% of smartphones.
    CPU boost clock speed
    What it is: The maximum speed the processor can achieve temporarily under heavy load.
    When it matters: When you run demanding apps or games that require short bursts of peak performance.

    Importance: MEDIUM

    Good value: >3.2 GHz

    2.84 GHz
    The CPU boost clock speed of Xiaomi Mix 4 (12GB + 512GB) is 2.84 GHz which is higher than the boost speed of 68.3% of smartphones and equal to that of 4.8% 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 11
    Xiaomi Mix 4 (12GB + 512GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 11
    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 11
    Xiaomi Mix 4 (12GB + 512GB) runs Android version Android 11 which is older than that found in 80.3% of smartphones and equal to that in 8.5% 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
    Xiaomi Mix 4 (12GB + 512GB) does not receive direct OS updates. 20.5% of smartphones receive direct updates.
    Open-source OS
    What it is: Shows whether the device’s operating system is based on open-source code, allowing community contributions and greater transparency.
    When it matters: When you value transparency and potential community-driven modifications.

    Importance: LOW

    yes
    Xiaomi Mix 4 (12GB + 512GB) uses an open-source OS. 94.6% of smartphones use an open-source OS.
    Dark mode
    What it is: A display option that uses dark backgrounds to reduce eye strain and save battery on OLED screens.
    When it matters: When you want to reduce eye strain at night or save battery on OLED screens.

    Importance: LOW

    yes
    Xiaomi Mix 4 (12GB + 512GB) offers dark mode. 95.8% of smartphones support this feature.
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    Multi-lens main camera
    What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.
    When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

    Importance: MEDIUM

    yes
    Xiaomi Mix 4 (12GB + 512GB) includes a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
    Main camera megapixels
    What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.
    When it matters: When you want to capture high-resolution images that can be cropped or printed large.

    Importance: HIGH

    Good value: >50 MP

    108 MP & 8 MP & 13 MP
    Xiaomi Mix 4 (12GB + 512GB) has a main camera resolution of 108 MP & 8 MP & 13 MP MP which is higher than that of 95.5% of smartphones and equal to that of 0% of smartphones.
    Main camera aperture
    What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.
    When it matters: When you want better low-light performance or a natural background blur effect.

    Importance: HIGH

    f/1.9 & f/4.1 & f/2.2
    Xiaomi Mix 4 (12GB + 512GB) has a main camera aperture of f/1.9 & f/4.1 & f/2.2 which is narrower than that of 86.9% of smartphones of smartphones.
    Main camera sensor area
    What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
    When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

    Importance: HIGH

    Good value: >60

    69.1 mm²
    Xiaomi Mix 4 (12GB + 512GB) has a main camera sensor area of 69.1 mm² which is larger than the main camera sensor area of 88.8% of smartphones and equal to that of 0.9% 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

    0.8 µm
    1.6 binned
    Xiaomi Mix 4 (12GB + 512GB) has a main camera pixel size of 0.8 µm which is larger than in 35.5% of smartphones and equal to the size in 21.9% of smartphones.
    1.6 binned
    Show more
    Number of SIM slots
    What it is: The number of physical SIM cards or eSIM profiles the device can support simultaneously.
    When it matters: When you need to manage two different phone numbers or travel internationally with a local SIM.

    Importance: MEDIUM

    Good value: ≥2

    2
    Xiaomi Mix 4 (12GB + 512GB) has 2 SIM slots, which is more than in 3.9% of smartphones and equal to the number in 96% of smartphones.
    Cellular module
    What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.
    When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

    Importance: LOW

    yes
    Xiaomi Mix 4 (12GB + 512GB) includes a cellular module. 100% of smartphones include cellular modules.
    5G connectivity
    What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
    When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

    Importance: MEDIUM

    yes
    Xiaomi Mix 4 (12GB + 512GB) supports 5G connectivity. 66.9% of smartphones support 5G.
    LTE support
    What it is: Support for Long-Term Evolution (4G) networks, providing high-speed mobile data.
    When it matters: When you need reliable mobile internet coverage in areas where 5G isn't available.

    Importance: HIGH

    yes
    Xiaomi Mix 4 (12GB + 512GB) supports LTE. 99.7% of smartphones include LTE connectivity.
    Wi-Fi connectivity
    What it is: The ability to connect to wireless local area networks for internet access and local networking.
    When it matters: When you want to save mobile data and connect to home or public networks.

    Importance: HIGH

    yes
    Xiaomi Mix 4 (12GB + 512GB) 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

    6.67 inches
    Xiaomi Mix 4 (12GB + 512GB) has a screen size of 6.67 inches which is larger than the screens of 38.3% of smartphones and equal to those of 13.3% of smartphones.
    Screen resolution
    What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
    When it matters: When you want crisp text and sharp details in photos and videos.

    Importance: HIGH

    1080 x 2400 px
    Xiaomi Mix 4 (12GB + 512GB) has a screen resolution of 1080 x 2400 px which is higher than that of 36.7% of smartphones and equal to that of 20.4% 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

    395 ppi
    Xiaomi Mix 4 (12GB + 512GB) has a pixel density of 395 ppi which is higher than that of 41.7% of smartphones and equal to that of 8.9% of smartphones.
    Display type
    What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
    When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

    Importance: HIGH

    OLED/AMOLED
    Xiaomi Mix 4 (12GB + 512GB) uses a OLED/AMOLED display type. 58.6% of smartphones use this display technology.
    Refresh rate
    What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
    When it matters: When you want scrolling to feel fluid and games to look smoother.

    Importance: HIGH

    Good value: ≥120 Hz

    120 Hz
    Xiaomi Mix 4 (12GB + 512GB) supports a refresh rate of 120 Hz which is higher than in 34.7% of smartphones and equal to that in 55.2% of smartphones.
    Show more
    Battery capacity
    What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
    When it matters: When you want a general idea of how large the battery is physically.

    Importance: HIGH

    Good value: >5000 mAh

    4500 mAh
    Xiaomi Mix 4 (12GB + 512GB) has a battery capacity of 4500 mAh which is smaller than the batteries in 78.5% of smartphones and equal to those in 5.9% of smartphones.
    Charging speed
    What it is: The maximum power input supported for wired charging, measured in Watts (W).
    When it matters: When you are in a rush and need to top up your battery quickly.

    Importance: HIGH

    Good value: >60 W

    120 W
    Xiaomi Mix 4 (12GB + 512GB) supports charging speeds of 120 W which is faster than in 94.4% of smartphones and equal to speeds in 4.6% of smartphones.
    Fast charging
    What it is: In the context of modern electronics, "Fast Charging" refers to any technology that delivers power significantly higher than the traditional USB baseline. While the industry standard for a basic charger is 5W (5V at 1A), a charger is generally classified as a fast charger if it provides at least 18W of power.
    When it matters: When you want to minimize the time your phone spends tethered to a wall outlet.

    Importance: MEDIUM

    yes
    Xiaomi Mix 4 (12GB + 512GB) supports fast charging. 93.1% of smartphones support fast charging.
    GSMArena full wired charge time
    What it is: The time taken to charge the battery from 0% to 100% using the bundled or recommended charger, as measured by GSMArena.
    When it matters: When you want to know exactly how long it takes to charge from 0 to 100% in real-world tests.

    Importance: MEDIUM

    Good value: <45 min

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

    Importance: MEDIUM

    yes
    Xiaomi Mix 4 (12GB + 512GB) supports 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

    yes
    Xiaomi Mix 4 (12GB + 512GB) includes stereo speakers. 64.5% of smartphones provide stereo audio.
    3.5 mm headphone jack
    What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
    When it matters: When you prefer using traditional wired headphones without dongles or adapters.

    Importance: LOW

    no
    Xiaomi Mix 4 (12GB + 512GB) does not include a 3.5 mm headphone jack. 45.4% of smartphones still offer this port.
    Number of microphones
    What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.
    When it matters: When you want clear audio recording and better noise cancellation during calls.

    Importance: MEDIUM

    Good value: ≥3

    2
    Xiaomi Mix 4 (12GB + 512GB) includes 2 microphones, which is more than in 10.5% of smartphones and equal to the number in 66.6% of smartphones.
    FM radio
    What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
    When it matters: When you want to listen to local radio stations without using mobile data.

    Importance: LOW

    no
    Xiaomi Mix 4 (12GB + 512GB) does not include an FM radio. 33.7% of smartphones offer FM radio functionality.
    aptX Lossless
    What it is: A Bluetooth technology designed to deliver CD-quality audio without data loss during transmission.
    When it matters: When you demand CD-quality audio over Bluetooth with no loss of detail.

    Importance: LOW

    ?
    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

    162.6 mm
    Xiaomi Mix 4 (12GB + 512GB) has a height of 162.6 mm which is shorter than 62.7% of smartphones and equal to that of 0.7% 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

    75.4 mm
    Xiaomi Mix 4 (12GB + 512GB) has a width of 75.4 mm which is narrower than 61.9% of smartphones and equal to that of 1.6% of smartphones.
    Thickness
    What it is: The depth of the device profile, excluding the camera bump unless specified.
    When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

    Importance: LOW

    Good value: <8 mm

    8 mm
    Xiaomi Mix 4 (12GB + 512GB) has a thickness of 8 mm which is thinner than 63.5% of smartphones and equal to that of 6.9% 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

    225 g
    Xiaomi Mix 4 (12GB + 512GB) weighs 225 g which is heavier than 83.8% of smartphones and equal to the weight of 0.6% 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

    97200 cm³
    Xiaomi Mix 4 (12GB + 512GB) has a device volume of 97200 cm³ which is smaller than 52.1% of smartphones and equal to that of 2.2% of smartphones.
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    Xiaomi Mix 4 (12GB + 512GB) vs the average smartphone

    • 5x higher optical zoom
      Xiaomi Mix 4 (12GB + 512GB) offers higher optical zoom than the average smartphone (5x vs 0x).
      What it is: A true zoom feature that adjusts the camera lens to get closer to the subject without losing image quality, unlike digital zoom.
      When it matters: When you want to get closer to a distant subject without losing image clarity.

      Importance: HIGH

      Good value: >2.5x

      Xiaomi Mix 4 (12GB + 512GB) offers higher optical zoom than the average smartphone (5x vs 0x).5x vs 0x
    • Has optical image stabilization
      Xiaomi Mix 4 (12GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
      What it is: A hardware mechanism that physically moves the camera lens or sensor to counteract hand shakiness and reduce blur in photos and videos.
      When it matters: When you want to reduce blur in photos and shake in videos, especially in low light.

      Importance: HIGH

      Xiaomi Mix 4 (12GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
    • Supports wireless charging
      Xiaomi Mix 4 (12GB + 512GB) supports wireless charging, the average smartphone does not. 25.3% of smartphones are wireless charging compatible.
      What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.
      When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

      Importance: MEDIUM

      Xiaomi Mix 4 (12GB + 512GB) supports wireless charging, the average smartphone does not. 25.3% of smartphones are wireless charging compatible.
    • 3.64x faster charging speed
      Xiaomi Mix 4 (12GB + 512GB) supports a faster charging speed than the average smartphone (120 W vs 33 W). The average charging speed is 33 W.
      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

      Xiaomi Mix 4 (12GB + 512GB) supports a faster charging speed than the average smartphone (120 W vs 33 W). The average charging speed is 33 W.120 W vs 33 W
    • 2.16x larger main camera sensor area
      Xiaomi Mix 4 (12GB + 512GB) has a larger main camera sensor area than the average smartphone (69.1 mm² vs 32 mm²). The average main camera sensor area is 32 mm².
      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

      Xiaomi Mix 4 (12GB + 512GB) has a larger main camera sensor area than the average smartphone (69.1 mm² vs 32 mm²). The average main camera sensor area is 32 mm².69.1 mm² vs 32.0 mm²
    • Higher-resolution main camera
      Xiaomi Mix 4 (12GB + 512GB) has a higher main camera resolution than the average smartphone (108 MP & 8 MP & 13 MP vs 50 MP & 8 MP ). The average smartphone main camera has 50 MP & 8 MP 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

      Xiaomi Mix 4 (12GB + 512GB) has a higher main camera resolution than the average smartphone (108 MP & 8 MP & 13 MP vs 50 MP & 8 MP ). The average smartphone main camera has 50 MP & 8 MP megapixels.108 MP & 8 MP & 13 MP vs 50 MP & 8 MP
    • Supports reverse wireless charging
      Xiaomi Mix 4 (12GB + 512GB) supports reverse wireless charging, the average smartphone does not. 25.5% of smartphones offer reverse wireless charging.
      What it is: A feature that allows the smartphone to act as a wireless charging pad for other devices like earbuds.
      When it matters: When your earbuds or smartwatch die and you need to charge them using your phone.

      Importance: LOW

      Xiaomi Mix 4 (12GB + 512GB) supports reverse wireless charging, the average smartphone does not. 25.5% of smartphones offer reverse wireless charging.
    • 2x higher touch sampling rate
      Xiaomi Mix 4 (12GB + 512GB) has a higher touch sampling rate than the average smartphone (480 Hz vs 240 Hz). The average touch sampling rate is 240 Hz.
      What it is: The frequency at which the screen scans for touch input, with higher rates reducing input lag in games.
      When it matters: When you play competitive games and need your inputs to register instantly.

      Importance: MEDIUM

      Good value: >300 Hz

      Xiaomi Mix 4 (12GB + 512GB) has a higher touch sampling rate than the average smartphone (480 Hz vs 240 Hz). The average touch sampling rate is 240 Hz.480 Hz vs 240 Hz
    • Newer DDR memory version
      Xiaomi Mix 4 (12GB + 512GB) supports a newer DDR version than the average smartphone (5.0 vs 4.0). The average DDR version is 4.
    • 4 GB more RAM
      Xiaomi Mix 4 (12GB + 512GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • Better processor
      Xiaomi Mix 4 (12GB + 512GB) features a better processor than the average smartphone (Qualcomm Snapdragon 888 vs Qualcomm Snapdragon 6s Gen 3 ).
    • 2x more storage
      Xiaomi Mix 4 (12GB + 512GB) offers more internal storage than the average smartphone (512 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.
    • Higher CPU base clock speed
      Xiaomi Mix 4 (12GB + 512GB) has a higher CPU base clock speed than the average smartphone (1x 2.84 GHz & 3x 2.42 GHz & 4x 1.8 GHz vs 2x 2.2 GHz & 6x 2 GHz ). The average smartphone has a base clock speed of 2x 2.2 GHz & 6x 2 GHz .
    • 2x higher memory bandwidth
      Xiaomi Mix 4 (12GB + 512GB) has higher memory bandwidth than the average smartphone (51.2 GB/s vs 25.6 GB/s). The average memory bandwidth is 25.6 GB/s.
    • 18.3% higher CPU boost clock speed
      Xiaomi Mix 4 (12GB + 512GB) has a higher CPU boost clock speed than the average smartphone (2.8 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 16.7% smaller process node
      Xiaomi Mix 4 (12GB + 512GB) uses a smaller process node than the average smartphone (5 nm vs 6 nm). The average process node size is 6 nm.
    • 33.3% lower TDP
      Xiaomi Mix 4 (12GB + 512GB) has a lower TDP than the average smartphone (8 W vs 6 W). The average TDP for smartphones is 6 W.
    • 14.3% higher maximum RAM
      Xiaomi Mix 4 (12GB + 512GB) supports more maximum RAM than the average smartphone (16 GB vs 14 GB). The average smartphone supports 14 GB RAM.
    • 75% higher 3DMark Wild Life benchmark
      Xiaomi Mix 4 (12GB + 512GB) scores higher in 3DMark Wild Life than the average smartphone (5,450 vs 3,115). The average smartphone scores 3,115.
    • 16.4% faster memory speed
      Xiaomi Mix 4 (12GB + 512GB) supports faster memory speed than the average smartphone (3200 MHz vs 2750 MHz). The average smartphone supports 2750 MHz memory speed.
    • 18.2% higher Geekbench 6 multi-core benchmark score
      Xiaomi Mix 4 (12GB + 512GB) scores better in Geekbench 6 multi-core than the average smartphone (2,995 vs 2,533). The average smartphone scores 2,533 in multi-core.
    • 5x higher optical zoom
      Xiaomi Mix 4 (12GB + 512GB) offers higher optical zoom than the average smartphone (5x vs 0x).
    • Has optical image stabilization
      Xiaomi Mix 4 (12GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
    • 2.16x larger main camera sensor area
      Xiaomi Mix 4 (12GB + 512GB) has a larger main camera sensor area than the average smartphone (69.1 mm² vs 32 mm²). The average main camera sensor area is 32 mm².
    • Higher-resolution main camera
      Xiaomi Mix 4 (12GB + 512GB) has a higher main camera resolution than the average smartphone (108 MP & 8 MP & 13 MP vs 50 MP & 8 MP ). The average smartphone main camera has 50 MP & 8 MP megapixels.
    • Better main camera video
      Xiaomi Mix 4 (12GB + 512GB) records better main camera video than the average smartphone. 44.20x of smartphones support 4K or higher.
    • Uses a BSI sensor
      Xiaomi Mix 4 (12GB + 512GB) uses a BSI sensor, the average smartphone does not. 40.1% of smartphones include BSI sensors.
    • Supports laser autofocus
      Xiaomi Mix 4 (12GB + 512GB) features laser autofocus, the average smartphone does not. 21.4% of smartphones include laser AF.
    • Supports HDR10 video recording
      Xiaomi Mix 4 (12GB + 512GB) supports HDR10 video recording, the average smartphone does not. 36.1% of smartphones support HDR10.
    • Supports RAW photo capture
      Xiaomi Mix 4 (12GB + 512GB) supports RAW photo capture, the average smartphone does not. 37.1% of smartphones allow RAW files.
    • Has a dual-tone LED flash
      Xiaomi Mix 4 (12GB + 512GB) features a dual-tone LED flash, the average smartphone does not. 41.4% of smartphones include dual-tone flash.
    • Has an under-display front camera
      Xiaomi Mix 4 (12GB + 512GB) has an under-display front camera, the average smartphone does not. 1.4% of smartphones feature this technology.
    • Supports Dolby Vision video recording
      Xiaomi Mix 4 (12GB + 512GB) supports Dolby Vision video recording, the average smartphone does not. 10.7% of smartphones support Dolby Vision.
    • 1 more flash LEDs
      Xiaomi Mix 4 (12GB + 512GB) has more flash LEDs than the average smartphone (2 vs 1). The average smartphone has 1 flash LEDs.
    • Supports 360° panorama
      Xiaomi Mix 4 (12GB + 512GB) can capture 360° panoramas, the average smartphone cannot. 25.1% of smartphones support 360° panoramas.
    • Wider front camera aperture
      Xiaomi Mix 4 (12GB + 512GB) has a wider front camera aperture than the average smartphone (f/2.0 vs f/2.2 ). The average aperture is f/2.2 .
    • Higher front camera megapixels
      Xiaomi Mix 4 (12GB + 512GB) has more front camera megapixels than the average smartphone (20 MP vs 16 MP ). The average front camera has 16 MP megapixels.
    • Has a pro camera setup
      Xiaomi Mix 4 (12GB + 512GB) features a pro camera setup, the average smartphone does not. 9.4% of smartphones include professional-grade camera hardware.
    • Has an infrared sensor
      Xiaomi Mix 4 (12GB + 512GB) includes an infrared sensor, the average smartphone does not. 33.3% of smartphones feature an IR blaster.
    • 2x higher touch sampling rate
      Xiaomi Mix 4 (12GB + 512GB) has a higher touch sampling rate than the average smartphone (480 Hz vs 240 Hz). The average touch sampling rate is 240 Hz.
    • Higher contrast ratio
      Xiaomi Mix 4 (12GB + 512GB) has a higher contrast ratio than the average smartphone (5000000:1 vs 1000000:1 ). The average smartphone contrast ratio is 1000000:1 .
    • Supports Dolby Vision support
      Xiaomi Mix 4 (12GB + 512GB) supports Dolby Vision, the average smartphone does not. 17.4% of smartphones are Dolby Vision compatible.
    • Supports HDR10+ support
      Xiaomi Mix 4 (12GB + 512GB) supports HDR10+, the average smartphone does not. 21.9% of smartphones include HDR10+ support.
    • Better display glass type
      Xiaomi Mix 4 (12GB + 512GB) features a better display glass type than the average smartphone (Corning Gorilla Glass Victus vs Corning Gorilla Glass 5 ). The average smartphone uses Corning Gorilla Glass 5 protection.
    • 21.2% higher screen brightness
      Xiaomi Mix 4 (12GB + 512GB) has a higher screen brightness than the average smartphone (800 nits vs 660 nits). The average smartphone brightness is 660 nits.
    • Has a curved display
      Xiaomi Mix 4 (12GB + 512GB) features a curved display, the average smartphone does not. 24.4% of smartphones have curved screens.
    • Supports wireless charging
      Xiaomi Mix 4 (12GB + 512GB) supports wireless charging, the average smartphone does not. 25.3% of smartphones are wireless charging compatible.
    • 3.64x faster charging speed
      Xiaomi Mix 4 (12GB + 512GB) supports a faster charging speed than the average smartphone (120 W vs 33 W). The average charging speed is 33 W.
    • Supports reverse wireless charging
      Xiaomi Mix 4 (12GB + 512GB) supports reverse wireless charging, the average smartphone does not. 25.5% of smartphones offer reverse wireless charging.
    • 2.5x faster wireless charging speed
      Xiaomi Mix 4 (12GB + 512GB) supports a faster wireless charging speed than the average smartphone (50 W vs 20 W). The average speed is 20 W.
    • 2x faster reverse wireless charging speed
      Xiaomi Mix 4 (12GB + 512GB) supports a faster reverse wireless charging speed than the average smartphone (10 W vs 5 W). The average speed is 5 W.
    • Supports aptX Adaptive
      Xiaomi Mix 4 (12GB + 512GB) supports aptX Adaptive, the average smartphone does not. 34.3% of smartphones include aptX Adaptive support.
    • 0.3 mm thinner
      Xiaomi Mix 4 (12GB + 512GB) is thinner than the average smartphone (8 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.

    Total
    Performance & Hardware
    Camera
    Connectivity
    Display
    Battery
    Audio
    Design
    • 9% lower Geekbench 6 single-core benchmark score
      Xiaomi Mix 4 (12GB + 512GB) performs worse in Geekbench 6 single-core than the average smartphone (857 vs 942). The average smartphone scores 942 in the Geekbench 6 single-core test.
    • No live text recognition
      Xiaomi Mix 4 (12GB + 512GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • No scrolling screenshot support
      Xiaomi Mix 4 (12GB + 512GB) does not support scrolling screenshots, the average smartphone does. 81.1% of smartphones allow scrolling screenshots.
    • Older Android version
      Xiaomi Mix 4 (12GB + 512GB) runs an older Android version than the average smartphone (Android 11 vs Android 14 ). The average smartphone runs Android version Android 14 .
    • Does not allow play while downloading
      Xiaomi Mix 4 (12GB + 512GB) cannot play games while downloading, the average smartphone can. 77.3% of smartphones support play-while-downloading.
    • Narrower main camera aperture
      Xiaomi Mix 4 (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.9 & f/4.1 & f/2.2 vs f/1.8 & f/2.4 & f/2.4 ). The average smartphone aperture is f/1.8 & f/2.4 & f/2.4 .
    • No memory card slot
      Xiaomi Mix 4 (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.6% of smartphones feature expandable storage.
    • 200 nits lower peak brightness
      Xiaomi Mix 4 (12GB + 512GB) has a lower peak brightness than the average smartphone (800 nits vs 1000 nits). The average smartphone peak brightness is 1000 nits.
    • 10% smaller battery capacity
      Xiaomi Mix 4 (12GB + 512GB) has a smaller battery capacity than the average smartphone (4500 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.
    • Lower IP rating
      Xiaomi Mix 4 (12GB + 512GB) has a lower IP rating than the average smartphone (IP53 vs IP67 ). 0.00% of smartphones have a higher IP rating.
    • 14.7% heavier
      Xiaomi Mix 4 (12GB + 512GB) is heavier than the average smartphone (225 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • Lower IP rating
      Xiaomi Mix 4 (12GB + 512GB) has a lower IP rating than the average smartphone (IP53 vs IP67 ). 0.00% of smartphones have a higher IP rating.
      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

      Xiaomi Mix 4 (12GB + 512GB) has a lower IP rating than the average smartphone (IP53 vs IP67 ). 0.00% of smartphones have a higher IP rating.IP53 vs IP67
    • No memory card slot
      Xiaomi Mix 4 (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.6% of smartphones feature expandable storage.
      What it is: A physical slot, usually for microSD cards, allowing users to expand the device's storage capacity.
      When it matters: When you want to cheaply expand your storage for photos, music, and movies.

      Importance: LOW

      Xiaomi Mix 4 (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.6% of smartphones feature expandable storage.
    • 10% smaller battery capacity
      Xiaomi Mix 4 (12GB + 512GB) has a smaller battery capacity than the average smartphone (4500 mAh vs 5000 mAh). The average smartphone has a capacity of 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

      Xiaomi Mix 4 (12GB + 512GB) has a smaller battery capacity than the average smartphone (4500 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.4500 mAh vs 5000 mAh
    • No live text recognition
      Xiaomi Mix 4 (12GB + 512GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
      What it is: A feature that can identify and extract text from images, camera viewfinder, or documents in real-time for copying, translating, or other actions.
      When it matters: When you need to quickly copy text from a physical document or sign using your camera.

      Importance: MEDIUM

      Xiaomi Mix 4 (12GB + 512GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • 14.7% heavier
      Xiaomi Mix 4 (12GB + 512GB) is heavier than the average smartphone (225 g vs 196.2 g). The average smartphone weighs 196.2 g.
      What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
      When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

      Importance: MEDIUM

      Good value: <190 g

      Xiaomi Mix 4 (12GB + 512GB) is heavier than the average smartphone (225 g vs 196.2 g). The average smartphone weighs 196.2 g.225.0 g vs 196.2 g
    • Narrower main camera aperture
      Xiaomi Mix 4 (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.9 & f/4.1 & f/2.2 vs f/1.8 & f/2.4 & f/2.4 ). The average smartphone aperture is f/1.8 & f/2.4 & f/2.4 .
      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

      Xiaomi Mix 4 (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.9 & f/4.1 & f/2.2 vs f/1.8 & f/2.4 & f/2.4 ). The average smartphone aperture is f/1.8 & f/2.4 & f/2.4 .f/1.9 & f/4.1 & f/2.2 vs f/1.8 & f/2.4 & f/2.4
    • No scrolling screenshot support
      Xiaomi Mix 4 (12GB + 512GB) does not support scrolling screenshots, the average smartphone does. 81.1% of smartphones allow scrolling screenshots.
      What it is: The ability to capture extended screenshots that include content beyond what's visible on screen by automatically scrolling and stitching images together.
      When it matters: When you want to capture a full webpage or long chat log in a single image.

      Importance: LOW

      Xiaomi Mix 4 (12GB + 512GB) does not support scrolling screenshots, the average smartphone does. 81.1% of smartphones allow scrolling screenshots.
    • Older Android version
      Xiaomi Mix 4 (12GB + 512GB) runs an older Android version than the average smartphone (Android 11 vs Android 14 ). The average smartphone runs Android version Android 14 .
      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

      Xiaomi Mix 4 (12GB + 512GB) runs an older Android version than the average smartphone (Android 11 vs Android 14 ). The average smartphone runs Android version Android 14 .Android 11.0 vs Android 14.0
    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Battery
    Design

    Graphic comparison of Xiaomi Mix 4 (12GB + 512GB) and other smartphones

    Attribute category
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    Third-party reviews

    What customers like about Xiaomi Mix 4 (12GB + 512GB)?

    • Uninterrupted 6.67-inch AMOLED display with a nearly invisible under-display selfie camera
    • Premium build quality featuring a high-quality ceramic back panel
    • Blazing fast 120W wired and 50W wireless charging speeds
    • Strong performance from the Snapdragon 888+ chipset
    • Excellent dual stereo speakers tuned by Harman Kardon
    • High-quality haptic feedback
    • Capable 108MP main camera producing detailed daylight shots

    What customers dislike about Xiaomi Mix 4 (12GB + 512GB)?

    • Under-display selfie camera produces softer, slightly hazy images compared to traditional sensors
    • The Snapdragon 888+ chipset can suffer from significant overheating and thermal throttling during intense gaming
    • Battery life can be underwhelming, especially when using the 120Hz refresh rate extensively
    • Limited availability; lacks a dedicated global version, requiring users to deal with Chinese software bloatware or custom ROMs
    • Lacks an IP68 water/dust resistance rating found on many competitors
    • No 3.5mm headphone jack or microSD card slot
    • Lower screen resolution (1080p) compared to other flagship models like the Mi 11 Ultra

    Expert reviews

    X
    xda-developers.com
    ?
    19/08/2021
    Xiaomi Mix 4 Preview: The original Mi Mix vision, finally realized to its fullest

    The Xiaomi Mix 4 is presented as achieving a truly bezel-less design through its Camera Under Panel (CUP) technology, making the 20MP selfie camera nearly invisible. While featuring a stunning 120Hz AMOLED display and premium ceramic build, the CUP camera's quality is inferior to traditional designs, particularly in challenging light. Powered by the Snapdragon 888+ and offering 120W...Read more

    F
    forbes.com
    ?
    30/08/2021
    Xiaomi Mix 4 Review: Number One For A Reason

    According to a Forbes review by Ben Sin, the Xiaomi MIX 4 is highlighted as the fulfillment of Xiaomi's "all-screen" ambition, featuring an uninterrupted 6.67-inch 120Hz OLED display enabled by an under-screen selfie camera and a premium unibody ceramic back. The device is a performance powerhouse with the Snapdragon 888+ processor, excellent haptics and speakers, and 120W wired...Read more

    X
    xda-developers.com
    ?
    19/08/2021
    Xiaomi Mix 4 Preview: The original Mi Mix vision, finally realized to its fullest

    The Xiaomi Mix 4 is presented as achieving a truly bezel-less design through its Camera Under Panel (CUP) technology, making the 20MP selfie camera nearly invisible. While featuring a stunning 120Hz AMOLED display and premium ceramic build, the CUP camera's quality is inferior to traditional designs, particularly in challenging light. Powered by the Snapdragon 888+ and offering 120W...Read more

    F
    forbes.com
    ?
    30/08/2021
    Xiaomi Mix 4 Review: Number One For A Reason

    According to a Forbes review by Ben Sin, the Xiaomi MIX 4 is highlighted as the fulfillment of Xiaomi's "all-screen" ambition, featuring an uninterrupted 6.67-inch 120Hz OLED display enabled by an under-screen selfie camera and a premium unibody ceramic back. The device is a performance powerhouse with the Snapdragon 888+ processor, excellent haptics and speakers, and 120W wired...Read more

    S
    smartzone.de
    ?
    09/09/2021
    Xiaomi Mix 4 Review - Smartzone

    The Xiaomi Mix 4 features a true bezel-less design with a 6.67-inch 120Hz curved AMOLED display and a 3rd-gen under-display camera (CUP), housed in a premium ceramic body. Driven by the Snapdragon 888 Plus, it boasts 120W wired charging and 50W wireless, though it suffers from limited global availability and poor palm rejection on the curved edges. While the primary 108MP camera...Read more

    (Translated)Show original
    F
    futura-sciences.com
    ?
    04/04/2021
    Mind-blowing! First images of the Mi MIX 4's flexible display

    The Xiaomi Mi Mix 4 features a 6.67-inch curved AMOLED display with a 20MP under-display camera (CUP), achieving a true edge-to-edge experience, powered by the Snapdragon 888 Plus and 120W fast charging. While the device offers premium, durable, and technologically advanced performance, it faces compromises with its under-display camera producing softer images and a heavy reliance...Read more

    (Translated)Show original
    X
    xataka.com
    ?
    02/03/2022
    Xiaomi Mix 4 hands-on: the under-display camera is the way forward for the perfect design

    The Xataka review highlights the Xiaomi Mix 4 as a landmark device, primarily for its 6.67-inch AMOLED screen that achieves a truly "all-screen" look by hiding the selfie camera under the display, coupled with a premium ceramic unibody. Performance is top-tier with the Snapdragon 888+ processor, complemented by 120W wired charging that fills the 4,500 mAh battery in under 20...Read more

    (Translated)Show original
    M
    mundoxiaomi.com
    ?
    01/03/2022
    Xiaomi Mix 4 hands-on: the definition of all-screen

    The Xiaomi Mix 4 features a true all-screen, camera-under-panel (CUP) display and a premium ceramic unibody design. Powered by the Snapdragon 888+ chipset, it offers high performance, a 120Hz AMOLED screen, and fast 120W wired charging. While the 108MP rear camera system delivers top-tier photography, the 20MP under-display selfie camera suffers from lower dynamic range and softer...Read more

    (Translated)Show original
    X
    xataka.com
    ?
    02/03/2022
    Xiaomi Mix 4 hands-on: the under-display camera is the way forward for the perfect design

    The Xataka review highlights the Xiaomi Mix 4 as a landmark device, primarily for its 6.67-inch AMOLED screen that achieves a truly "all-screen" look by hiding the selfie camera under the display, coupled with a premium ceramic unibody. Performance is top-tier with the Snapdragon 888+ processor, complemented by 120W wired charging that fills the 4,500 mAh battery in under 20...Read more

    (Translated)Show original
    M
    mundoxiaomi.com
    ?
    01/03/2022
    Xiaomi Mix 4 hands-on: the definition of all-screen

    The Xiaomi Mix 4 features a true all-screen, camera-under-panel (CUP) display and a premium ceramic unibody design. Powered by the Snapdragon 888+ chipset, it offers high performance, a 120Hz AMOLED screen, and fast 120W wired charging. While the 108MP rear camera system delivers top-tier photography, the 20MP under-display selfie camera suffers from lower dynamic range and softer...Read more

    (Translated)Show original
    T
    tweakers.net
    ?
    22/11/2021
    Xiaomi Mi MIX 4 Black - BRO-JWE - Product reviews

    The Xiaomi Mi MIX 4 features a 6.67-inch AMOLED 120Hz display with an under-display camera, offering a true, uninterrupted viewing experience. While this design is praised for its aesthetics, the selfie camera quality is notably softer with limited dynamic range. Performance is top-tier with a Snapdragon 888+ processor, paired with extremely fast 120W charging that achieves a full...Read more

    (Translated)Show original

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