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Xiaomi 15 (12GB + 512GB) Review | 197 Data compared

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  • Avg. price: ~£600
  • RAM capacity: 12 GB
  • Internal storage: 512 GB
  • Screen size: 6.36 inches
  • Main camera megapixels: 50 MP & 50 MP & 50 MP

Xiaomi 15 (12GB + 512GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

9.1

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%

9.1

Technical Score

10.0%

9.0

User score

Exceptional
9.1

Technical Score

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

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

Score components:

25.0%

9.4

Performance & Hardware

18.0%

9.1

Camera

15.0%

8.9

Display

15.0%

9.3

Battery

10.0%

8.6

Software

10.0%

8.7

Connectivity

4.0%

9.3

Audio

3.0%

8.4

Design

Exceptional
9.0

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%

8.8

User reviews

30.0%

9.5

Popularity

User score:
amazon
4.4
(522)
amazon
4.1
(41)

(Reviews last updated: Mar 2026)

Exceptional
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    Best prices

    Best rankings

    ?

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

    Technical Specifications of smartphone Xiaomi 15 (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%

    9.4

    Performance & Hardware

    18.0%

    9.1

    Camera

    15.0%

    8.9

    Display

    15.0%

    9.3

    Battery

    10.0%

    8.6

    Software

    10.0%

    8.7

    Connectivity

    4.0%

    9.3

    Audio

    3.0%

    8.4

    Design

    9.1
    Xiaomi 15 (12GB + 512GB) has a technical score of 9.08 points, which is higher than 96.7% 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%

    8.8

    User reviews

    30.0%

    9.5

    Popularity

    User score:
    amazon
    4.4
    (522)
    amazon
    4.1
    (41)

    (Reviews last updated: Mar 2026)

    9.0
    Xiaomi 15 (12GB + 512GB) has a user score of 8.99 points, which is higher than 84.6% 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.
    9.5
    Xiaomi 15 (12GB + 512GB) has a popularity of 9.5 points, which is higher than 74.9% 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%

    9.1

    Overall score

    40.0%

    7.4

    Price

    8.4
    Xiaomi 15 (12GB + 512GB) has a quality-to-price ratio of 8.4 points, which is higher than 74.7% 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 8 Elite
    RAM capacity
    What it is: The amount of volatile memory available for running apps and multitasking.
    When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

    Importance: HIGH

    Good value: >12 GB

    12 GB
    Xiaomi 15 (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 15 (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

    4.32 GHz
    The CPU boost clock speed of Xiaomi 15 (12GB + 512GB) is 4.32 GHz which is higher than the boost speed of 96.5% of smartphones and equal to that of 1.7% of smartphones.
    Show more
    Operating system
    What it is: The primary system software that manages the smartphone's hardware and software resources.
    When it matters: When you have a preference for the user interface and app ecosystem.

    Importance: HIGH

    Android
    Android 15
    Xiaomi 15 (12GB + 512GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 15
    Android version
    What it is: The specific generation number of the Android operating system installed on the device.
    When it matters: When you want to ensure app compatibility and access to the latest software features.

    Importance: LOW

    Android 15
    Xiaomi 15 (12GB + 512GB) runs Android version Android 15 which is newer than that found in 70.3% of smartphones and equal to that in 25.3% of smartphones.
    Direct OS updates
    What it is: Indicates whether the device receives operating system updates directly from the manufacturer or Google, ensuring timely security and feature updates.
    When it matters: When you want the fastest access to new features and security patches.

    Importance: HIGH

    no
    Xiaomi 15 (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 15 (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 15 (12GB + 512GB) offers dark mode. 95.8% of smartphones support this feature.
    Show more
    Multi-lens main camera
    What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.
    When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

    Importance: MEDIUM

    yes
    Xiaomi 15 (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

    50 MP & 50 MP & 50 MP
    Main camera aperture
    What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.
    When it matters: When you want better low-light performance or a natural background blur effect.

    Importance: HIGH

    f/1.62 & f/2.0 & f/2.2
    Main camera sensor area
    What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
    When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

    Importance: HIGH

    Good value: >60

    72 mm²
    Xiaomi 15 (12GB + 512GB) has a main camera sensor area of 72 mm² which is larger than the main camera sensor area of 90.4% of smartphones and equal to that of 4.5% of smartphones.
    Main camera pixel size
    What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
    When it matters: When you shoot in low light and want reduced noise in your photos.

    Importance: MEDIUM

    Good value: ≥1.2 µm

    1.2 µm
    2.4 binned
    Xiaomi 15 (12GB + 512GB) has a main camera pixel size of 1.2 µm which is larger than in 83.8% of smartphones and equal to the size in 4.9% of smartphones.
    2.4 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 15 (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 15 (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 15 (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 15 (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 15 (12GB + 512GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
    Show more
    Screen size
    What it is: The physical diagonal measurement of the display area, usually expressed in inches.
    When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

    Importance: MEDIUM

    Good value: ≥6.6 inches

    6.36 inches
    Xiaomi 15 (12GB + 512GB) has a screen size of 6.36 inches which is smaller than the screens of 88.2% of smartphones and equal to those of 0.3% 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

    1200 x 2670 px
    Pixel density
    What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.
    When it matters: When you want the image to look perfectly smooth with no visible pixels.

    Importance: HIGH

    Good value: >400 ppi

    460 ppi
    Xiaomi 15 (12GB + 512GB) has a pixel density of 460 ppi which is higher than that of 88.2% of smartphones and equal to that of 3.3% of smartphones.
    Display type
    What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
    When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

    Importance: HIGH

    OLED/AMOLED
    Xiaomi 15 (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 15 (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

    5400 mAh
    Xiaomi 15 (12GB + 512GB) has a battery capacity of 5400 mAh which is larger than the batteries in 67.4% of smartphones and equal to those in 0.2% 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

    90 W
    Xiaomi 15 (12GB + 512GB) supports charging speeds of 90 W which is faster than in 86.6% of smartphones and equal to speeds in 3.5% 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 15 (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 15 (12GB + 512GB) supports wireless charging. 25.3% of smartphones support wireless charging.
    Show more
    Stereo speakers
    What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
    When it matters: When you watch videos or play games without headphones and want immersive sound.

    Importance: MEDIUM

    yes
    Xiaomi 15 (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 15 (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

    4
    Xiaomi 15 (12GB + 512GB) includes 4 microphones, which is more than in 96.9% of smartphones and equal to the number in 3.1% of smartphones.
    FM radio
    What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
    When it matters: When you want to listen to local radio stations without using mobile data.

    Importance: LOW

    no
    Xiaomi 15 (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

    152.3 mm
    Xiaomi 15 (12GB + 512GB) has a height of 152.3 mm which is shorter than 93.6% of smartphones of smartphones.
    Width
    What it is: The horizontal dimension of the device when held in portrait orientation.
    When it matters: When you care about how easy the phone is to grip and use with one hand.

    Importance: LOW

    Good value: <75 mm

    71.2 mm
    Xiaomi 15 (12GB + 512GB) has a width of 71.2 mm which is narrower than 95.6% of smartphones and equal to that of 0.5% 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

    8.5 mm
    Xiaomi 15 (12GB + 512GB) has a thickness of 8.5 mm which is thicker than 60.4% of smartphones and equal to that of 4.3% of smartphones.
    Weight
    What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
    When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

    Importance: MEDIUM

    Good value: <190 g

    192 g
    Xiaomi 15 (12GB + 512GB) weighs 192 g which is lighter than 58.8% of smartphones and equal to the weight of 3.2% 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

    86336 cm³
    Xiaomi 15 (12GB + 512GB) has a device volume of 86336 cm³ which is smaller than 78.9% of smartphones and equal to that of 0.3% of smartphones.
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    Xiaomi 15 (12GB + 512GB) vs the average smartphone

    • Higher contrast ratio
      Xiaomi 15 (12GB + 512GB) has a higher contrast ratio than the average smartphone (8000000:1 vs 1000000:1 ). The average smartphone contrast ratio is 1000000:1 .
      AMOLED/OLED displays have an effectively infinite contrast ratio
      What it is: The ratio between the luminance of the brightest white and the darkest black the display can produce.
      When it matters: When you want punchy colors and true blacks for an immersive viewing experience.

      Importance: MEDIUM

      Xiaomi 15 (12GB + 512GB) has a higher contrast ratio than the average smartphone (8000000:1 vs 1000000:1 ). The average smartphone contrast ratio is 1000000:1 .8000000:1 vs 1000000:1
    • Has optical image stabilization
      Xiaomi 15 (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 15 (12GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
    • Better main camera video
      Xiaomi 15 (12GB + 512GB) records better main camera video than the average smartphone. 44.20x of smartphones support 4K or higher.
      What it is: The maximum resolution and frame rate at which the main rear camera can record video.
      When it matters: When you want to record memories or content in high definition or 4K.

      Importance: MEDIUM

      Xiaomi 15 (12GB + 512GB) records better main camera video than the average smartphone. 44.20x of smartphones support 4K or higher.4320x 30 fps vs 2160x 30 fps
    • 2.25x larger main camera sensor area
      Xiaomi 15 (12GB + 512GB) has a larger main camera sensor area than the average smartphone (72 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 15 (12GB + 512GB) has a larger main camera sensor area than the average smartphone (72 mm² vs 32 mm²). The average main camera sensor area is 32 mm².72 mm² vs 32 mm²
    • 50% smaller process node
      Xiaomi 15 (12GB + 512GB) uses a smaller process node than the average smartphone (3 nm vs 6 nm). The average process node size is 6 nm.
      What it is: The size of the manufacturing process used to create the chip's transistors, measured in nanometers (nm). Smaller nodes generally indicate more advanced, power-efficient chips.
      When it matters: When you want a chipset that is more power-efficient and generates less heat.

      Importance: HIGH

      Good value: <6 nm

      Xiaomi 15 (12GB + 512GB) uses a smaller process node than the average smartphone (3 nm vs 6 nm). The average process node size is 6 nm.3 nm vs 6 nm
    • Supports wireless charging
      Xiaomi 15 (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 15 (12GB + 512GB) supports wireless charging, the average smartphone does not. 25.3% of smartphones are wireless charging compatible.
    • 2.73x faster charging speed
      Xiaomi 15 (12GB + 512GB) supports a faster charging speed than the average smartphone (90 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 15 (12GB + 512GB) supports a faster charging speed than the average smartphone (90 W vs 33 W). The average charging speed is 33 W.90 W vs 33 W
    • 2,200 nits higher peak brightness
      Xiaomi 15 (12GB + 512GB) has a higher peak brightness than the average smartphone (3200 nits vs 1000 nits). The average peak brightness is 1000 nits.
      What it is: The absolute maximum brightness a small portion of the screen can achieve briefly, usually when displaying HDR content.
      When it matters: When you watch HDR content and want highlights like explosions or sunlight to look realistic.

      Importance: MEDIUM

      Good value: >1300 nits

      Xiaomi 15 (12GB + 512GB) has a higher peak brightness than the average smartphone (3200 nits vs 1000 nits). The average peak brightness is 1000 nits.3200 nits vs 1000 nits
    • 50% smaller process node
      Xiaomi 15 (12GB + 512GB) uses a smaller process node than the average smartphone (3 nm vs 6 nm). The average process node size is 6 nm.
    • 3.26x higher Geekbench 6 single-core benchmark score
      Xiaomi 15 (12GB + 512GB) scores better in Geekbench 6 single-core than the average smartphone (3,068 vs 942). The average smartphone scores 942 in single-core.
    • 3.32x higher memory bandwidth
      Xiaomi 15 (12GB + 512GB) has higher memory bandwidth than the average smartphone (85.1 GB/s vs 25.6 GB/s). The average memory bandwidth is 25.6 GB/s.
    • 80% higher CPU boost clock speed
      Xiaomi 15 (12GB + 512GB) has a higher CPU boost clock speed than the average smartphone (4.3 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 6.52x higher 3DMark Wild Life benchmark
      Xiaomi 15 (12GB + 512GB) scores higher in 3DMark Wild Life than the average smartphone (20,314 vs 3,115). The average smartphone scores 3,115.
    • 4.88x higher 3DMark Wild Life Extreme benchmark
      Xiaomi 15 (12GB + 512GB) performs better in 3DMark Wild Life Extreme than the average smartphone (5,980 vs 1,226). The average smartphone scores 1,226.
    • 71.4% higher maximum RAM
      Xiaomi 15 (12GB + 512GB) supports more maximum RAM than the average smartphone (24 GB vs 14 GB). The average smartphone supports 14 GB RAM.
    • 92.7% faster memory speed
      Xiaomi 15 (12GB + 512GB) supports faster memory speed than the average smartphone (5300 MHz vs 2750 MHz). The average smartphone supports 2750 MHz memory speed.
    • Newer DDR memory version
      Xiaomi 15 (12GB + 512GB) supports a newer DDR version than the average smartphone (5.0 vs 4.0). The average DDR version is 4.
    • 3.62x higher 3DMark Steel Nomad benchmark
      Xiaomi 15 (12GB + 512GB) performs better in 3DMark Steel Nomad benchmark than the average smartphone (2,202 vs 608). The average score is 608.
    • 4 GB more RAM
      Xiaomi 15 (12GB + 512GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 2x more storage
      Xiaomi 15 (12GB + 512GB) offers more internal storage than the average smartphone (512 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.
    • 15.8% faster GPU clock
      Xiaomi 15 (12GB + 512GB) has a higher GPU frequency than the average smartphone (1100 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.
    • 3x more L1
      Xiaomi 15 (12GB + 512GB) has more L1 cache than the average smartphone (192 KB vs 64 KB). The average L1 cache is 64 KB.
    • Supports ECC memory
      Xiaomi 15 (12GB + 512GB) supports ECC memory, the average smartphone does not. 2.4% of smartphones support ECC.
    • Higher CPU base clock speed
      Xiaomi 15 (12GB + 512GB) has a higher CPU base clock speed than the average smartphone (2x 4.32 GHz & 6x 3.53 GHz vs 2x 2.2 GHz & 6x 2 GHz ). The average smartphone has a base clock speed of 2x 2.2 GHz & 6x 2 GHz .
    • Higher on-device AI tier
      Xiaomi 15 (12GB + 512GB) runs on the productivity AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.
    • Allows app offloading
      Xiaomi 15 (12GB + 512GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
    • Newer Android version
      Xiaomi 15 (12GB + 512GB) features a newer Android version than the average smartphone (Android 15 vs Android 14 ). The average version is Android 14 .
    • Has optical image stabilization
      Xiaomi 15 (12GB + 512GB) has optical image stabilization (OIS), the average smartphone does not. 48.3% of smartphones feature OIS.
    • Better main camera video
      Xiaomi 15 (12GB + 512GB) records better main camera video than the average smartphone. 44.20x of smartphones support 4K or higher.
    • 2.25x larger main camera sensor area
      Xiaomi 15 (12GB + 512GB) has a larger main camera sensor area than the average smartphone (72 mm² vs 32 mm²). The average main camera sensor area is 32 mm².
    • 2.6x higher optical zoom
      Xiaomi 15 (12GB + 512GB) offers higher optical zoom than the average smartphone (2.6x vs 0x).
    • 0.4 µm larger main camera pixel size
      Xiaomi 15 (12GB + 512GB) has a larger main camera pixel size than the average smartphone (1.2 µm vs 0.8 µm). The average pixel size is 0.8 µm.
    • 20.8% higher DxOMark Mobile score
      Xiaomi 15 (12GB + 512GB) has a higher DxOMark Mobile score than the average smartphone (145 vs 120). The average smartphone scores 120.
    • Supports laser autofocus
      Xiaomi 15 (12GB + 512GB) features laser autofocus, the average smartphone does not. 21.4% of smartphones include laser AF.
    • Supports RAW photo capture
      Xiaomi 15 (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 15 (12GB + 512GB) features a dual-tone LED flash, the average smartphone does not. 41.4% of smartphones include dual-tone flash.
    • 1 more flash LEDs
      Xiaomi 15 (12GB + 512GB) has more flash LEDs than the average smartphone (2 vs 1). The average smartphone has 1 flash LEDs.
    • Has a pro camera setup
      Xiaomi 15 (12GB + 512GB) features a pro camera setup, the average smartphone does not. 9.4% of smartphones include professional-grade camera hardware.
    • Newer USB version
      Xiaomi 15 (12GB + 512GB) supports a newer USB version than the average smartphone (3.2 vs 2.0). The average version is USB 2.
    • Newer Bluetooth version
      Xiaomi 15 (12GB + 512GB) supports a newer Bluetooth version than the average smartphone (5.4 vs 5.2). The average version is Bluetooth 5.2.
    • 1 more external displays supported
      Xiaomi 15 (12GB + 512GB) supports more external displays than the average smartphone (2 vs 1). The average smartphone supports 1 external displays.
    • Has a barometer
      Xiaomi 15 (12GB + 512GB) features a barometer, the average smartphone does not. 20% of smartphones include a barometer.
    • Has an infrared sensor
      Xiaomi 15 (12GB + 512GB) includes an infrared sensor, the average smartphone does not. 33.3% of smartphones feature an IR blaster.
    • Higher contrast ratio
      Xiaomi 15 (12GB + 512GB) has a higher contrast ratio than the average smartphone (8000000:1 vs 1000000:1 ). The average smartphone contrast ratio is 1000000:1 .
    • 2,200 nits higher peak brightness
      Xiaomi 15 (12GB + 512GB) has a higher peak brightness than the average smartphone (3200 nits vs 1000 nits). The average peak brightness is 1000 nits.
    • 2.3x higher screen brightness
      Xiaomi 15 (12GB + 512GB) has a higher screen brightness than the average smartphone (1517 nits vs 660 nits). The average smartphone brightness is 660 nits.
    • 16.5% higher pixel density
      Xiaomi 15 (12GB + 512GB) has a higher pixel density than the average smartphone (460 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • 623.5 nits higher GSMArena max display brightness
      Xiaomi 15 (12GB + 512GB) has a higher GSMArena max display brightness than the average smartphone (1517 nits vs 893.5 nits). The average max brightness is 893.5 nits.
    • Supports HDR10 support
      Xiaomi 15 (12GB + 512GB) supports HDR10, the average smartphone does not. 42.7% of smartphones are HDR10 compatible.
    • Supports Dolby Vision support
      Xiaomi 15 (12GB + 512GB) supports Dolby Vision, the average smartphone does not. 17.4% of smartphones are Dolby Vision compatible.
    • Supports HDR10+ support
      Xiaomi 15 (12GB + 512GB) supports HDR10+, the average smartphone does not. 21.9% of smartphones include HDR10+ support.
    • Has an always-on display
      Xiaomi 15 (12GB + 512GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • 25% higher touch sampling rate
      Xiaomi 15 (12GB + 512GB) has a higher touch sampling rate than the average smartphone (300 Hz vs 240 Hz). The average touch sampling rate is 240 Hz.
    • Supports wireless charging
      Xiaomi 15 (12GB + 512GB) supports wireless charging, the average smartphone does not. 25.3% of smartphones are wireless charging compatible.
    • 2.73x faster charging speed
      Xiaomi 15 (12GB + 512GB) supports a faster charging speed than the average smartphone (90 W vs 33 W). The average charging speed is 33 W.
    • Supports reverse wireless charging
      Xiaomi 15 (12GB + 512GB) supports reverse wireless charging, the average smartphone does not. 25.5% of smartphones offer reverse wireless charging.
    • 8% larger battery capacity
      Xiaomi 15 (12GB + 512GB) has a larger battery capacity than the average smartphone (5400 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
    • 2.5x faster wireless charging speed
      Xiaomi 15 (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 15 (12GB + 512GB) supports a faster reverse wireless charging speed than the average smartphone (10 W vs 5 W). The average speed is 5 W.
    • 2 more microphone/s
      Xiaomi 15 (12GB + 512GB) has more microphones than the average smartphone (4 vs 2). The average smartphone has 2 microphones.
    • Supports aptX Adaptive
      Xiaomi 15 (12GB + 512GB) supports aptX Adaptive, the average smartphone does not. 34.3% of smartphones include aptX Adaptive support.
    • 4.8 mm narrower
      Xiaomi 15 (12GB + 512GB) is narrower than the average smartphone (71.2 mm vs 76 mm). The average smartphone width is 76 mm.
    • 11.3 mm shorter
      Xiaomi 15 (12GB + 512GB) is shorter than the average smartphone (152.3 mm vs 163.6 mm). The average smartphone height is 163.6 mm.
    • Better IP rating
      Xiaomi 15 (12GB + 512GB) has a better IP rating than the average smartphone (IP68 vs IP67 ). The average IP rating is IP67 .

    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Battery
    Audio
    Design
    • No live text recognition
      Xiaomi 15 (12GB + 512GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • No memory card slot
      Xiaomi 15 (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.6% of smartphones feature expandable storage.
    • 0.31 inches smaller screen size
      Xiaomi 15 (12GB + 512GB) has a smaller screen size than the average smartphone (6.4 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
    • 0.2 mm thicker
      Xiaomi 15 (12GB + 512GB) is thicker than the average smartphone (8.5 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • 0.31 inches smaller screen size
      Xiaomi 15 (12GB + 512GB) has a smaller screen size than the average smartphone (6.4 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
      What it is: The physical diagonal measurement of the display area, usually expressed in inches.
      When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

      Importance: MEDIUM

      Good value: ≥6.6 inches

      Xiaomi 15 (12GB + 512GB) has a smaller screen size than the average smartphone (6.4 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.6.36 inches vs 6.67 inches
    • No memory card slot
      Xiaomi 15 (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 15 (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.6% of smartphones feature expandable storage.
    • No live text recognition
      Xiaomi 15 (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 15 (12GB + 512GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • 2.31x more expensive
      Xiaomi 15 (12GB + 512GB) is more expensive than the average smartphone (£600 vs £260).
      Xiaomi 15 (12GB + 512GB) is more expensive than the average smartphone (£600 vs £260).£600 vs £260
    • 0.2 mm thicker
      Xiaomi 15 (12GB + 512GB) is thicker than the average smartphone (8.5 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
      What it is: The depth of the device profile, excluding the camera bump unless specified.
      When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

      Importance: LOW

      Good value: <8 mm

      Xiaomi 15 (12GB + 512GB) is thicker than the average smartphone (8.5 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.8.5 mm vs 8.3 mm
    Total
    Overall
    Software
    Connectivity
    Display
    Design

    Graphic comparison of Xiaomi 15 (12GB + 512GB) and other smartphones

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    Third-party reviews

    amazon
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    522 Reviews
    amazon
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    (Reviews last updated: Mar 2026)

    4.4
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    4.1
    41 Reviews

    (Reviews last updated: Mar 2026)

    What customers like about Xiaomi 15 (12GB + 512GB)?

    • High-speed performance powered by the Snapdragon 8 Elite chipset
    • Excellent compact design and lightweight build for one-handed use
    • Impressive 5,240mAh battery life with 1.5 days of usage for some users
    • Vibrant, sharp LTPO display with a peak brightness of up to 3,200 nits
    • Solid Leica-tuned camera system with natural color reproduction
    • Fast 90W wired and 50W wireless charging capabilities
    • Highly responsive ultrasonic under-display fingerprint sensor

    What customers dislike about Xiaomi 15 (12GB + 512GB)?

    • HyperOS software contains intrusive bloatware and pre-installed third-party apps
    • Lack of official availability in major Western markets like the US and Australia
    • Potential software bugs, such as notification issues and erratic settings
    • Occasional heating issues during intensive tasks or specific app usage
    • Audio quality is considered compressed compared to rivals like the S25 or iPhone 16
    • Facial smoothing and whitening features in portrait mode can feel unnatural
    • Lack of a 3.5mm headphone jack and some concerns about long-term update tracking

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    zte-nubia-z80-ultra-12gb-512gb
    ZTE Nubia Z80 Ultra (12GB + 512GB)

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    9.0
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    Xiaomi 15T Pro (12GB + 512GB)

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    9.2
    honor-magic-5-pro-512gb-12gb-ram
    HONOR Magic5 Pro (12GB + 512GB)

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    8.9
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    ZTE Nubia Z80 Ultra (12GB + 256GB)

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    9.0
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    ZTE Nubia Red Magic 11 Pro China (12GB + 256GB)

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    8.7
    xiaomi-poco-f8-pro-12gb-512gb
    Poco F8 Pro (12GB + 512GB)

    Smartphones

    9.0
    xiaomi-15t-pro-12gb-1tb
    Xiaomi 15T Pro (12GB + 1TB)

    Smartphones

    9.2
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    Ulefone Armor 29 Pro Thermal (16GB + 512GB)

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    8.8
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    realme GT 7 Pro (12GB + 256GB)

    Smartphones

    8.7
    vivo-x200-pro
    vivo X200 Pro (16GB + 1024GB)

    Smartphones

    9.0

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