Home Phone comparison Samsung Galaxy M12 and Xiaomi 15T - Which is better?

Samsung Galaxy M12 vs Xiaomi 15T

39 out 100
Samsung Galaxy M12
VS
82 out 100
Xiaomi 15T
Samsung Galaxy M12
Xiaomi 15T

Compared 2 smartphones : Samsung Galaxy M12 Manufactured in April, 2021, with display 6.5 with chipsetSamsung Exynos 850, vs Xiaomi 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 8400 Ultra. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M12
    Reasons to choose Xiaomi 15T
    • Larger display: 6.83in
    • Higher pixel density: 447ppi
    • Higher refresh rate: 120Hz
    • Lighter design: 194g vs 214g
    • Higher battery capacity: 5500mAh vs 5000mAh
    • Newer Bluetooth version: 6.0 vs 5
    • Infrared port
    • Built-in eSIM

    Versions

    Available versions and configurations
    Memory Options - 3/32 GB
    - 4/32 GB
    - 4/64 GB
    - 4/128 GB    		 - 12/256 GB
    - 12/512 GB

    Review

    Key Specs Samsung Galaxy M12 and Xiaomi 15T
    Display
    Color accuracy, sharpness & brightness
    Camera
    Main & front camera tests
    Performance
    App & system performance
    Games
    3D gaming performance
    Battery
    Battery life, charging speed & type
    Connectivity
    Connectivity features
    NanoReview Score
    Overall score by NanoReview
    Adjust each parameter’s importance to find the best match for you.
    Customize your score
    Function
    Importance (Weight)
    Display:
    Camera:
    Performance:
    Gaming:
    Battery:
    Connectivity:
    Higher weight means greater impact on NanoReview score.

    Tests & specs

    Specs & test comparison
    Smartphones:
    Samsung Galaxy M12
    vs
    Xiaomi 15T

    Display

    Display quality comparison
    Type PLS TFT AMOLED
    Size 6.5 in 6.83 in
    Resolution 720x1600 pixels 1280x2772 pixels
    Aspect ratio 20:9 19.5:9
    Pixel density 270 ppi 447 ppi
    Refresh rate 90 Hz 120 Hz
    Adaptive refresh rate No Yes
    Max brightness 450 nits n/a
    HDR support No Yes, Dolby Vision
    Touch Sampling Rate n/a 480 Hz
    Screen-to-body ratio 82 % 89.9 %
    Features n/a - DCI-P3
    - Always-On Display
    - DC dimming
    Display test
    Peak brightness (auto)
    Samsung Galaxy M12
    424 nits
    Xiaomi 15T
    n/a
    sRGB gamut93.3 %n/a
    Response time39 msn/a
    Contrast926:1n/a
    Sources: NotebookCheck [Samsung Galaxy M12]

    Design & Build

    Design and ergonomics comparison
    Height 164 mm (6.46 in) 163.2 mm (6.43 in)
    Width 75.9 mm (2.99 in) 78 mm (3.07 in)
    Thickness 9.7 mm (0.38 in) 7.5 mm (0.3 in)
    Weight 214 g (7.55 oz) 194 g (6.84 oz)
    Water resistance No IP68
    Cooling system n/a Vapor chamber
    Back panel Plastic n/a
    Frame Plastic Plastic
    Colors - Black
    - Blue
    - Green    		 - Black
    - Gray
    - Rose Gold
    Fingerprint sensor Yes In-Button Yes, In-Display
    Screen-to-body ratio
    Samsung Galaxy M12
    82 %
    Xiaomi 15T
    89.9 %

    Performance

    Testing Samsung Galaxy M12 and Xiaomi 15T In benchmarks
    Processor
    Chipset Samsung Exynos 850 MediaTek Dimensity 8400 Ultra
    Max Frequency 2000 MHz 3250 MHz
    CPU Cores 8 (8) 8 (1 + 3 + 4)
    Architecture 8/2 (Cortex-A55) - 4/2.1 (Cortex-A725)
    - 3/3 (Cortex-A725)
    - 1/3.25 (Cortex-A725)
    Process Samsung TSMC
    Transistor Size 8 nm 4 nm
    Neural Processor No MediaTek NPU 880
    Graphics Mali-G52 MP1 Mali-G720 MP7
    GPU Cores 24 896
    GPU Frequency 680 MHz 1300 MHz
    FLOPS 40.8 GFLOPS 2329.6 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Samsung Galaxy M12
    481
    Xiaomi 15T
    1603
    Geekbench 6 (Multi-Core)
    Samsung Galaxy M12
    1522
    Xiaomi 15T
    6413
    Geekbench 6 (Single-Core)4811603
    Geekbench 6 (Multi-Core)15226413
    Geekbench Compute (GPU)n/a11228
    Sources: Geekbench v6 [Xiaomi 15T]
    AnTuTu 10
    AnTuTu 10
    Samsung Galaxy M12
    185374
    Xiaomi 15T
    1872827
    CPU64990448609
    GPU26753683486
    Memory54180396486
    UX39451344246
    NanoReview Score1853741872827
    3DMark Wild Life
    3DMark Wild Life
    Samsung Galaxy M12
    429
    Xiaomi 15T
    n/a
    Max Surface Temp.41.7 °Cn/a
    Stability98 %n/a
    Graphics Test2 fpsn/a
    Graphics Score429n/a
    Sources: 3DMark [Samsung Galaxy M12]
    PCMark 3.0
    PCMark 3.0
    Samsung Galaxy M12
    5926
    Xiaomi 15T
    n/a
    Writing score5648n/a
    Web score5853n/a
    Video editing5741n/a
    Data manipulation4734n/a
    NanoReview Score5926n/a

    Memory

    RAM
    RAM Size - 3 GB
    - 4 GB    		 12 GB
    Memory Type LPDDR4X LPDDR5X
    Memory Frequency 1866 MHz n/a
    Channels 2 4
    Storage
    Storage Capacity- 32 GB
    - 64 GB
    - 128 GB    		256 GB
    Storage TypeeMMC 5.1UFS 4.1
    Memory CardMicroSDNo

    Software

    OS Android 11 (Upgradeable to Android 13) Android 15
    OS Size 14 GB n/a
    UI Skin One UI Core 5.0 HyperOS 2.0

    Battery

    Volume 5000 mAh 5500 mAh
    Max Charging Power 15 W 67 W
    Battery Type Li-ion Li-Po
    Removable No No
    Wireless Charging No No
    Reverse Charging No No
    Fast Charging Yes (40% in 60 min) Yes (50% in 22 min)
    Full Charge Time 2:30 h 0:50 h
    Battery Life Test
    Battery Life
    Samsung Galaxy M12
    22:27
    Xiaomi 15T
    n/a
    Web Browsing08:52 hn/a
    Video Playback12:52 hn/a
    Games05:12 hn/a
    Standby Mode113 hn/a

    Main camera

    Matrix 48 MP 50 MP
    Photo resolution 8000x6000 pixels 8192x6144 pixels
    Zoom Digital Optical, 2x
    Flash LED Dual LED
    Stabilization Digital Optical
    8K Recording No No
    4K Recording No Yes (Up to 60 fps)
    1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
    Slow Motion No 240 fps (1080p)
    Wide-angle lens 123 ° 120 °
    Lenses count Standard: 48 MP
    Ultra-wide: 5 MP
    Macro: 2 MP
    Depth: 2 MP    		 Standard: 50 MP
    Telephoto: 50 MP
    Ultra-wide: 12 MP
    Features - Bokeh effect
    - Pro mode    		 - Bokeh effect
    - Pro mode
    - RAW support
    Main lens
    Matrix48 MP50 MP
    Aperturef/2.0f/1.7
    Focal lengthn/a23 mm
    SensorSamsung S5KGM2Omnivision OV50 Light Hunter 800
    Sensor size1/21/1.55
    Pixel size0.8 μm1 μm
    AutofocusPhase autofocusPhase autofocus
    StabilizationDigitalOptical
    Telephoto
    Matrixn/a50 MP
    Aperturen/af/1.9
    Focal lengthn/a46 mm
    Sensorn/aSamsung S5KJN5
    Sensor sizen/a1/2.76
    Pixel sizen/a0.64 μm
    Stabilizationn/aDigital
    Ultra-wide lens
    Matrix5 MP12 MP
    Aperturef/2.2f/2.2
    Focal lengthn/a15 mm
    Sensor size1/5.01/3.06
    Pixel size1.12 μm1.12 μm
    StabilizationDigitalDigital

    Front camera

    Matrix 8 MP 32 MP
    Photo resolution 3264x2448 pixels n/a
    Aperture f/2.0 f/2.2
    Focal length n/a 21 mm
    Sensor CMOS CMOS
    Sensor size n/a 1/3.44
    Pixel size n/a 0.64 μm
    Autofocus No No
    Stabilization No Digital
    Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
    TOF 3D sensor No No

    Connectivity

    Wi-Fi version Wi-Fi 4 (802.11 a/b/g/n) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
    Wi-Fi features - Wi-Fi Direct
    - Wi-Fi Hotspot    		 - Dual Band
    - Wi-Fi MiMO
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display
    Bluetooth version 5 6.0
    Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE
    USB type USB Type-C USB Type-C
    USB version 2 2
    USB features - Charging
    - USB Storage Mode
    - OTG    		 - Charging
    - USB Storage Mode
    - OTG
    DisplayPort n/a No
    GPS - GPS
    - GLONASS
    - Beidou
    - Galileo    		 - GPS
    - GLONASS
    - Beidou
    - Galileo
    - QZSS
    NFC* Yes Yes
    Infrared Port No Yes
    Connectivity
    SIM Count*22
    SIM TypeNanoNano
    SIM ModeDual SIM StandbyDual SIM Standby
    eSIM Support *NoYes
    Hybrid SlotNoNo
    2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 2/3/5/8
    3G BandsUMTS B1 (2100), B2 (1900), B4(AWS), B5(850), B8 (900)WCDMA B1/2/4/5/8/6/19
    LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B26/B28/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
    LTE category7n/a
    5G SupportNoYes

    Sound

    Speakers Mono n/a
    3.5 mm Jack Yes No
    FM Radio Yes No
    Dolby Atmos Yes Yes
    Speaker Test
    Max Volume
    Samsung Galaxy M12
    77.6 dB
    Xiaomi 15T
    n/a

    Other

    Class Budget Mid-range
    Announced November, 2020 yr September, 2025 yr
    Release Date April, 2021 yr September, 2025 yr
    Launch Price ($) 180 n/a
    MSRP ($) n/a 650
    Sensors - Proximity Sensor
    - Accelerometer
    - Ambient Light Sensor
    - Fingerprint sensor    		 - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor
    Charger Included n/a No
    * Attention! Config, frequencies, NFC, and other specs may vary by region.

    Results

    After analyzing the data, we consider Xiaomi 15T the clear winner in this comparison.

    Survey

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