Home Phone comparison Xiaomi Redmi Note 9 and Xiaomi 15T - Which is better?

Xiaomi Redmi Note 9 vs Xiaomi 15T

43 out 100
Xiaomi Redmi Note 9
VS
82 out 100
Xiaomi 15T
Xiaomi Redmi Note 9
Xiaomi 15T

Compared 2 smartphones : Xiaomi Redmi Note 9 Manufactured in June, 2020, with display 6.53 with chipsetMediaTek Helio G85, 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 Xiaomi Redmi Note 9
    Reasons to choose Xiaomi 15T
    • Larger display: 6.83in
    • Higher pixel density: 447ppi
    • Higher refresh rate: 120Hz
    • Lighter design: 194g vs 199g
    • Higher battery capacity: 5500mAh vs 5020mAh
    • Newer Bluetooth version: 6.0 vs 5
    • Supports Dolby Atmos
    • Built-in eSIM

    Versions

    Available versions and configurations
    Memory Options - 3/64 GB
    - 4/64 GB
    - 4/128 GB
    - 6/128 GB    		 - 12/256 GB
    - 12/512 GB

    Review

    Key Specs Xiaomi Redmi Note 9 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 Note 9
    vs
    Xiaomi 15T

    Display

    Display quality comparison
    Type IPS LCD AMOLED
    Size 6.53 in 6.83 in
    Resolution 1080x2340 pixels 1280x2772 pixels
    Aspect ratio 19.5:9 19.5:9
    Pixel density 395 ppi 447 ppi
    Refresh rate 60 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 83.5 % 89.9 %
    Features n/a - DCI-P3
    - Always-On Display
    - DC dimming
    Display test
    Peak brightness (auto)
    Xiaomi Redmi Note 9
    464 nits
    Xiaomi 15T
    n/a
    sRGB gamut97.7 %n/a
    Response time32.2 msn/a
    Contrast4608:1n/a
    Sources: NotebookCheck [Xiaomi Redmi Note 9]

    Design & Build

    Design and ergonomics comparison
    Height 162.3 mm (6.39 in) 163.2 mm (6.43 in)
    Width 77.2 mm (3.04 in) 78 mm (3.07 in)
    Thickness 8.9 mm (0.35 in) 7.5 mm (0.3 in)
    Weight 199 g (7.02 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 - White
    - Gray
    - Green    		 - Black
    - Gray
    - Rose Gold
    Fingerprint sensor Yes rear Yes, In-Display
    Screen-to-body ratio
    Xiaomi Redmi Note 9
    83.5 %
    Xiaomi 15T
    89.9 %

    Performance

    Testing Xiaomi Redmi Note 9 and Xiaomi 15T In benchmarks
    Processor
    Chipset MediaTek Helio G85 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 Yes 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 Note 9
    516
    Xiaomi 15T
    1603
    Geekbench 6 (Multi-Core)
    Xiaomi Redmi Note 9
    1562
    Xiaomi 15T
    6413
    Geekbench 6 (Single-Core)5161603
    Geekbench 6 (Multi-Core)15626413
    Geekbench Compute (GPU)n/a11228
    Sources: Geekbench v6 [Xiaomi 15T]
    AnTuTu 10
    AnTuTu 10
    Xiaomi Redmi Note 9
    272057
    Xiaomi 15T
    1872827
    CPU89155448609
    GPU49694683486
    Memory60565396486
    UX72643344246
    NanoReview Score2720571872827

    Memory

    RAM
    RAM Size - 3 GB
    - 4 GB
    - 6 GB    		 12 GB
    Memory Type LPDDR4X LPDDR5X
    Memory Frequency 1800 MHz n/a
    Channels 2 4
    Storage
    Storage Capacity- 64 GB
    - 128 GB    		256 GB
    Storage TypeeMMC 5.1UFS 4.1
    Memory CardMicroSDNo

    Software

    OS Android 10 (Upgradeable to Android 12) Android 15
    OS Size 16.5 GB n/a
    UI Skin MIUI 13 HyperOS 2.0

    Battery

    Volume 5020 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 Yes No
    Fast Charging Yes (50% in 40 min) Yes (50% in 22 min)
    Full Charge Time 1:30 h 0:50 h
    Battery Life Test
    Battery Life
    Xiaomi Redmi Note 9
    24:19
    Xiaomi 15T
    n/a
    Web Browsing09:31 hn/a
    Video Playback14:21 hn/a
    Games05:45 hn/a
    Standby Mode121 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 120 fps (720p) 240 fps (1080p)
    Wide-angle lens 118 ° 120 °
    Lenses count Standard: 48 MP
    Ultra-wide: 8 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/1.8f/1.7
    Focal length26 mm23 mm
    SensorSamsung S5KGM1Omnivision OV50 Light Hunter 800
    Sensor size1/2.01/1.55
    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
    Matrix8 MP12 MP
    Aperturef/2.2f/2.2
    Focal lengthn/a15 mm
    Sensor size1/4.01/3.06
    Pixel size1.12 μm1.12 μm
    StabilizationDigitalDigital

    Front camera

    Matrix 13 MP 32 MP
    Photo resolution 4128x3096 pixels n/a
    Aperture f/2.3 f/2.2
    Focal length 29 mm 21 mm
    Sensor CMOS CMOS
    Sensor size 1/3.1 1/3.44
    Pixel size 1.12 μm 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 6.0
    Bluetooth features LE, HID, 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 Yes Yes
    Connectivity
    SIM Count*22
    SIM TypeNanoNano
    SIM ModeDual SIM StandbyDual SIM Standby
    eSIM Support *NoYes
    Hybrid SlotNoNo
    2G BandsGSM 850 / 900 / 1800 / 2100 / 2600 / 2300 / 2500GSM 2/3/5/8
    3G BandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100WCDMA B1/2/4/5/8/6/19
    LTE Bands*LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)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 Note 9
    92.4 dB
    Xiaomi 15T
    n/a

    Other

    Class Mid-range Mid-range
    Announced April, 2020 yr September, 2025 yr
    Release Date June, 2020 yr September, 2025 yr
    Launch Price ($) 199 n/a
    MSRP ($) n/a 650
    Sensors - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - 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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