Home Phone comparison Xiaomi Redmi 12 and Xiaomi 15T - Which is better?

Xiaomi Redmi 12 vs Xiaomi 15T

47 out 100
Xiaomi Redmi 12
VS
82 out 100
Xiaomi 15T
Xiaomi Redmi 12
Xiaomi 15T

Compared 2 smartphones : Xiaomi Redmi 12 Manufactured in June, 2023, with display 6.79 with chipsetMediaTek Helio G88, vs Xiaomi 15T, Manufactured in September, 2025with 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 Xiaomi Redmi 12
    Reasons to choose Xiaomi 15T
    • Larger display: 6.83in
    • Higher pixel density: 447ppi
    • Higher refresh rate: 120Hz
    • Lighter design: 194g vs 198.5g
    • Higher battery capacity: 5500mAh vs 5000mAh
    • Newer Bluetooth version: 6.0 vs 5.3
    • Supports Dolby Atmos
    • Built-in eSIM

    Versions

    Available versions and configurations
    Memory Options - 2/128 GB
    - 4/128 GB
    - 6/128 GB
    - 8/128 GB
    - 8/256 GB    		 - 12/256 GB
    - 12/512 GB

    Review

    Key Specs Xiaomi Redmi 12 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:
    Xiaomi Redmi 12
    vs
    Xiaomi 15T

    Display

    Display quality comparison
    Type IPS LCD AMOLED
    Size 6.79 in 6.83 in
    Resolution 1080x2460 pixels 1280x2772 pixels
    Aspect ratio 19.5:9 19.5:9
    Pixel density 396 ppi 447 ppi
    Refresh rate 90 Hz 120 Hz
    Adaptive refresh rate No Yes
    Max brightness 550 nits n/a
    HDR support No Yes, Dolby Vision
    Touch Sampling Rate n/a 480 Hz
    Screen-to-body ratio 88 % 89.9 %
    Features n/a - DCI-P3
    - Always-On Display
    - DC dimming
    Display test
    Peak brightness (auto)
    Xiaomi Redmi 12
    539 nits
    Xiaomi 15T
    n/a
    sRGB gamut96.3 %n/a
    Response time26 msn/a
    Contrast898:1n/a
    Sources: NotebookCheck [Xiaomi Redmi 12]

    Design & Build

    Design and ergonomics comparison
    Height 168.6 mm (6.64 in) 163.2 mm (6.43 in)
    Width 76.28 mm (3 in) 78 mm (3.07 in)
    Thickness 8.17 mm (0.32 in) 7.5 mm (0.3 in)
    Weight 198.5 g (7 oz) 194 g (6.84 oz)
    Water resistance IP53 IP68
    Cooling system n/a Vapor chamber
    Back panel Plastic n/a
    Frame Plastic Plastic
    Colors - Black
    - Silver
    - Blue    		 - Black
    - Gray
    - Rose Gold
    Fingerprint sensor Yes In-Button Yes, In-Display
    Screen-to-body ratio
    Xiaomi Redmi 12
    88 %
    Xiaomi 15T
    89.9 %

    Performance

    Testing Xiaomi Redmi 12 and Xiaomi 15T In benchmarks
    Processor
    Chipset MediaTek Helio G88 MediaTek Dimensity 8400 Ultra
    Max Frequency 2000 MHz 3250 MHz
    CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
    Architecture - 6/1.8 (Cortex-A55)
    - 2/2 (Cortex-A75)    		 - 4/2.1 (Cortex-A725)
    - 3/3 (Cortex-A725)
    - 1/3.25 (Cortex-A725)
    Process TSMC TSMC
    Transistor Size 12 nm 4 nm
    Neural Processor MediaTek APU MediaTek NPU 880
    Graphics Mali-G52 MP2 Mali-G720 MP7
    GPU Cores 48 896
    GPU Frequency 1000 MHz 1300 MHz
    FLOPS 96 GFLOPS 2329.6 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Xiaomi Redmi 12
    434
    Xiaomi 15T
    1603
    Geekbench 6 (Multi-Core)
    Xiaomi Redmi 12
    1223
    Xiaomi 15T
    6413
    Geekbench 6 (Single-Core)4341603
    Geekbench 6 (Multi-Core)12236413
    Geekbench Compute (GPU)n/a11228
    Sources: Geekbench v6 [Xiaomi 15T]
    AnTuTu 10
    AnTuTu 10
    Xiaomi Redmi 12
    266658
    Xiaomi 15T
    1872827
    CPU84508448609
    GPU39522683486
    Memory69688396486
    UX72940344246
    NanoReview Score2666581872827
    3DMark Wild Life
    3DMark Wild Life
    Xiaomi Redmi 12
    743
    Xiaomi 15T
    n/a
    Sources: 3DMark [Xiaomi Redmi 12]
    PCMark 3.0
    PCMark 3.0
    Xiaomi Redmi 12
    9150
    Xiaomi 15T
    n/a
    Writing score8646n/a
    Web score8615n/a
    Video editing6849n/a
    Data manipulation6391n/a
    NanoReview Score9150n/a

    Memory

    RAM
    RAM Size - 4 GB
    - 8 GB    		 12 GB
    Memory Type LPDDR4X LPDDR5X
    Memory Frequency 1800 MHz n/a
    Channels 2 4
    Storage
    Storage Capacity- 128 GB
    - 256 GB    		256 GB
    Storage TypeeMMC 5.1UFS 4.1
    Memory CardMicroSDNo

    Software

    OS Android 13 (Upgradeable to Android 15) Android 15
    OS Size 18 GB n/a
    UI Skin HyperOS 2.0 HyperOS 2.0

    Battery

    Volume 5000 mAh 5500 mAh
    Max Charging Power 18 W 67 W
    Battery Type Li-Po Li-Po
    Removable No No
    Wireless Charging No No
    Reverse Charging No No
    Fast Charging Yes (29% in 30 min) Yes (50% in 22 min)
    Full Charge Time 2:07 h 0:50 h
    Battery Life Test
    Battery Life
    Xiaomi Redmi 12
    22:09
    Xiaomi 15T
    n/a
    Web Browsing07:58 hn/a
    Video Playback12:45 hn/a
    Games04:59 hn/a
    Standby Mode118 hn/a

    Main camera

    Matrix 50 MP 50 MP
    Photo resolution 8150x6150 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 120 fps (720p) 240 fps (1080p)
    Wide-angle lens 120 ° 120 °
    Lenses count Standard: 50 MP
    Ultra-wide: 8 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
    Matrix50 MP50 MP
    Aperturef/1.8f/1.7
    Focal lengthn/a23 mm
    SensorSamsung S5KJN1Omnivision OV50 Light Hunter 800
    Sensor size1/2.761/1.55
    Pixel size0.64 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
    Matrix8 MP12 MP
    Aperturef/2.2f/2.2
    Focal lengthn/a15 mm
    SensorSony IMX355n/a
    Sensor size1/2.81/3.06
    Pixel size1.14 μm1.12 μm
    StabilizationDigitalDigital

    Front camera

    Matrix 8 MP 32 MP
    Photo resolution 3264x2448 pixels n/a
    Aperture f/2.1 f/2.2
    Focal length n/a 21 mm
    Sensor n/a CMOS
    Sensor size n/a 1/3.44
    Pixel size n/a 0.64 μm
    Autofocus No No
    Stabilization Digital 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 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
    Wi-Fi features - Dual Band
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display    		 - Dual Band
    - Wi-Fi MiMO
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display
    Bluetooth version 5.3 6.0
    Bluetooth features LE LE
    USB type USB Type-C USB Type-C
    USB version 2 2
    USB features - Charging
    - USB Storage Mode    		 - Charging
    - USB Storage Mode
    - OTG
    DisplayPort n/a No
    GPS - GPS
    - GLONASS
    - Beidou
    - Galileo    		 - GPS
    - GLONASS
    - Beidou
    - Galileo
    - QZSS
    NFC* Varies by region Yes
    Infrared Port Yes Yes
    Connectivity
    SIM Count*22
    SIM TypeNanoNano
    SIM ModeDual SIM StandbyDual SIM Standby
    eSIM Support *NoYes
    Hybrid SlotYesNo
    2G BandsGSM 2/3/5/8GSM 2/3/5/8
    3G BandsWCDMA 1/5/8WCDMA B1/2/4/5/8/6/19
    LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)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 No Yes
    Speaker Test
    Max Volume
    Xiaomi Redmi 12
    79.4 dB
    Xiaomi 15T
    n/a

    Other

    Class Budget Mid-range
    Announced June, 2023 yr September, 2025 yr
    Release Date June, 2023 yr September, 2025 yr
    Launch Price ($) 159 n/a
    MSRP ($) n/a 650
    Sensors - Accelerometer
    - Compass
    - Fingerprint sensor    		 - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor
    Charger Included No 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.

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    Total Votes: 1

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