Xiaomi Poco X3 Pro vs OnePlus 15

Compared 2 smartphones : Xiaomi Poco X3 Pro Manufactured in April, 2021, with display 6.67 with chipsetQualcomm Snapdragon 860, vs OnePlus 15, Manufactured in October, 2025with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X3 Pro
    Reasons to choose OnePlus 15
    • Larger display: 6.78in
    • Higher pixel density: 450ppi
    • Higher refresh rate: 165Hz
    • Lighter design: 211g vs 215g
    • Higher battery capacity: 7300mAh vs 5160mAh
    • Newer Bluetooth version: 6.0 vs 5
    • Supports newer USB: 3.2 vs 2
    • Supports DisplayPort
    • Built-in eSIM
    • Includes charger

    Versions

    Available versions and configurations
    Memory Options - 6/125 GB
    - 6/128 GB
    - 6/256 GB
    - 8/128 GB
    - 8/256 GB
    - 12/256 GB
    - 12/512 GB
    - 16/256 GB
    - 16/512 GB
    - 16/1024 GB

    Review

    Key Specs Xiaomi Poco X3 Pro and OnePlus 15
    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:
    vs

    Display

    Display quality comparison
    Type IPS LCD AMOLED
    Size 6.67 in 6.78 in
    Resolution 1080x2400 pixels 1272x2772 pixels
    Aspect ratio 20:9 19.5:9
    Pixel density 395 ppi 450 ppi
    Refresh rate 120 Hz 165 Hz
    Adaptive refresh rate No Yes (1-120 Hz)
    Max brightness 450 nits 1800 nits
    HDR support Yes HDR10 Yes, Dolby Vision
    Touch Sampling Rate 240 Hz n/a
    Screen-to-body ratio 84.6 % 91.2 %
    Features n/a - DCI-P3
    - Always-On Display
    - DC dimming
    Display test
    Peak brightness (auto)
    Xiaomi Poco X3 Pro
    530 nits
    OnePlus 15
    n/a
    sRGB gamut95.1 %n/a
    PWM (Flicker)2404 Hzn/a
    Response time37.4 msn/a
    Contrast995:1n/a

    Design & Build

    Design and ergonomics comparison
    Height 165.3 mm (6.51 in) 161.4 mm (6.35 in)
    Width 76.8 mm (3.02 in) 76.7 mm (3.02 in)
    Thickness 9.4 mm (0.37 in) 8.1 mm (0.32 in)
    Weight 215 g (7.58 oz) 211 g (7.44 oz)
    Water resistance IP53 IP69
    Cooling system Vapor chamber Vapor chamber
    Back panel Plastic Glass
    Frame Plastic Metal
    Colors - Black
    - Gold
    - Blue
    - Black
    - Gold
    - Purple
    Fingerprint sensor Yes In-Button Yes, In-Display
    Screen-to-body ratio
    Xiaomi Poco X3 Pro
    84.6 %
    OnePlus 15
    91.2 %

    Performance

    Testing Xiaomi Poco X3 Pro and OnePlus 15 In benchmarks
    Processor
    Chipset Qualcomm Snapdragon 860 Qualcomm Snapdragon 8 Elite Gen 5
    Max Frequency 2960 MHz 4600 MHz
    CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
    Architecture - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
    - 3/2.42 (Cortex-A76 (Kryo 485 Gold))
    - 1/2.96 (Cortex-A76 (Kryo 485 Prime))
    6/3.63 ()
    Process TSMC TSMC
    Transistor Size 7 nm 3 nm
    Neural Processor Hexagon 690 Hexagon
    Graphics Adreno 640 Adreno 840
    GPU Cores 768 1536
    GPU Frequency 675 MHz 1200 MHz
    FLOPS 1036.8 GFLOPS 3686.4 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Xiaomi Poco X3 Pro
    973
    OnePlus 15
    3726
    Geekbench 6 (Multi-Core)
    Xiaomi Poco X3 Pro
    2589
    OnePlus 15
    11199
    Geekbench 6 (Single-Core)9733726
    Geekbench 6 (Multi-Core)258911199
    Geekbench Compute (GPU)n/a27829
    AnTuTu 10
    AnTuTu 10
    Xiaomi Poco X3 Pro
    642297
    OnePlus 15
    3434737
    CPU181709968935
    GPU1557431235307
    Memory126967489823
    UX177878740672
    NanoReview Score6422973434737
    3DMark Wild Life
    3DMark Wild Life
    Xiaomi Poco X3 Pro
    3456
    OnePlus 15
    n/a
    Max Surface Temp.44.1 °Cn/a
    Stability97 %n/a
    Graphics Test20 fpsn/a
    Graphics Score3456n/a
    PCMark 3.0
    PCMark 3.0
    Xiaomi Poco X3 Pro
    10579
    OnePlus 15
    n/a
    Writing score13393n/a
    Web score8062n/a
    Video editing6035n/a
    Data manipulation8470n/a
    NanoReview Score10579n/a

    Memory

    RAM
    RAM Size - 6 GB
    - 8 GB
    12 GB
    Memory Type LPDDR4X LPDDR5X
    Memory Frequency 2133 MHz 5300 MHz
    Channels 2 4
    Storage
    Storage Capacity- 128 GB
    - 256 GB
    256 GB
    Storage TypeUFS 3.1UFS 4.1
    Memory CardMicroSDNo

    Software

    OS Android 11 (Upgradeable to Android 13) Android 16
    OS Size 13 GB n/a
    UI Skin MIUI 14 OxygenOS 16

    Battery

    Volume 5160 mAh 7300 mAh
    Max Charging Power 33 W 120 W
    Battery Type Li-Po Silicon Carbon (Si/C)
    Removable No No
    Wireless Charging No Yes (50 W)
    Reverse Charging No Yes, (Wireless)
    Fast Charging Yes (55% in 30 min) Yes (50% in 15 min)
    Full Charge Time 1:15 h 0:43 h
    Battery Life Test
    Battery Life
    Xiaomi Poco X3 Pro
    22:40
    OnePlus 15
    n/a
    Web Browsing08:43 hn/a
    Video Playback12:45 hn/a
    Games05:20 hn/a
    Standby Mode117 hn/a

    Main camera

    Matrix 48 MP 50 MP
    Photo resolution 8000x6000 pixels 8192x6144 pixels
    Zoom Digital Optical, 3.5x
    Flash Dual LED Dual LED
    Stabilization Digital Optical
    8K Recording No Yes (Up to 30 fps)
    4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
    1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
    Slow Motion 960 fps (1080p) n/a
    Wide-angle lens 119 ° 116 °
    Lenses count Standard: 48 MP
    Ultra-wide: 8 MP
    Macro: 2 MP
    Depth: 2 MP
    Standard: 50 MP
    Telephoto: 50 MP
    Ultra-wide: 50 MP
    Features - Bokeh effect
    - Pro mode
    - Bokeh effect
    - Pro mode
    - RAW support
    Main lens
    Matrix48 MP50 MP
    Aperturef/1.8f/1.8
    Focal length26 mm24 mm
    SensorSony IMX582Sony LYTIA-T808
    Sensor size1/2.01/1.56
    Pixel size0.8 μm1 μm
    AutofocusPhase autofocusPhase autofocus
    StabilizationDigitalOptical
    Telephoto
    Matrixn/a50 MP
    Aperturen/af/2.8
    Focal lengthn/a85 mm
    Sensorn/aSamsung S5KJN5
    Sensor sizen/a1/2.76
    Pixel sizen/a0.64 μm
    Stabilizationn/aOptical
    Ultra-wide lens
    Matrix8 MP50 MP
    Aperturef/2.2f/2.0
    Focal lengthn/a15 mm
    SensorOmnivision OV8856Samsung S5KJN5
    Sensor size1/41/2.76
    Pixel size1.12 μm0.64 μm
    StabilizationDigitalDigital

    Front camera

    Matrix 20 MP 32 MP
    Photo resolution 5480x3648 pixels 6560x4928 pixels
    Aperture f/2.2 f/2.4
    Focal length 25 mm 21 mm
    Sensor CMOS Sony IMX615
    Sensor size 1/3.4 1/2.74
    Pixel size 0.8 μm 0.8 μm
    Autofocus No Phase autofocus
    Stabilization Digital Digital
    Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
    TOF 3D sensor No No

    Connectivity

    Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
    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, A2DP LE
    USB type USB Type-C USB Type-C
    USB version 2 3.2
    USB features - Charging
    - USB Storage Mode
    - USB-Host mode
    - OTG
    - Charging
    - USB Storage Mode
    - OTG
    DisplayPort n/a Yes
    GPS - GPS
    - GLONASS
    - Beidou
    - Galileo
    - GPS
    - GLONASS
    - Beidou
    - Galileo
    - QZSS
    - NAVIC
    NFC* Yes Yes
    Infrared Port Yes Yes
    Connectivity
    SIM Count*22
    SIM TypeNanoNano
    SIM ModeDual SIM StandbyDual SIM Standby
    eSIM Support *NoYes
    Hybrid SlotYesNo
    2G BandsGSM B2/3/5/8n/a
    3G BandsUMTC B1/2/4/5/8n/a
    LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B32/B38/B40/B41)n/a
    LTE category20n/a
    5G SupportNoYes

    Sound

    Speakers Stereo n/a
    3.5 mm Jack Yes No
    FM Radio Yes No
    Dolby Atmos No No
    Speaker Test
    Max Volume
    Xiaomi Poco X3 Pro
    88.3 dB
    OnePlus 15
    n/a

    Other

    Class Mid-range Flagship
    Announced March, 2021 yr October, 2025 yr
    Release Date April, 2021 yr October, 2025 yr
    Launch Price ($) 250 n/a
    MSRP ($) n/a 899
    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 Yes, 120 W
    * Attention! Config, frequencies, NFC, and other specs may vary by region.

    Results

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

    Survey

    Which smartphone would you pick?
    1 (100%)
    0 (0%)
    Total Votes: 1

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