Home Phone comparison Xiaomi Poco X3 Pro and OnePlus Ace 5 Ultra - Which is better?

Xiaomi Poco X3 Pro vs OnePlus Ace 5 Ultra

55 out 100
Xiaomi Poco X3 Pro
VS
87 out 100
OnePlus Ace 5 Ultra
Xiaomi Poco X3 Pro
OnePlus Ace 5 Ultra

Compared 2 smartphones : Xiaomi Poco X3 Pro Manufactured in April, 2021, with display 6.67 with chipsetQualcomm Snapdragon 860, vs OnePlus Ace 5 Ultra, Manufactured in May, 2025 with chipsetMediaTek Dimensity 9400 Plus. 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 Poco X3 Pro
    Reasons to choose OnePlus Ace 5 Ultra
    • Larger display: 6.83in
    • Higher pixel density: 450ppi
    • Higher refresh rate: 144Hz
    • Lighter design: 206g vs 215g
    • Higher battery capacity: 6700mAh vs 5160mAh
    • Newer Bluetooth version: 5.4 vs 5
    • 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 Ace 5 Ultra
    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 Poco X3 Pro
    vs
    OnePlus Ace 5 Ultra

    Display

    Display quality comparison
    Type IPS LCD AMOLED
    Size 6.67 in 6.83 in
    Resolution 1080x2400 pixels 1264x2780 pixels
    Aspect ratio 20:9 19.8:9
    Pixel density 395 ppi 450 ppi
    Refresh rate 120 Hz 144 Hz
    Adaptive refresh rate No Yes
    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 % 90.1 %
    Features n/a - DCI-P3
    - Always-On Display
    - DC dimming
    Display test
    Peak brightness (auto)
    Xiaomi Poco X3 Pro
    530 nits
    OnePlus Ace 5 Ultra
    n/a
    sRGB gamut95.1 %n/a
    PWM (Flicker)2404 Hzn/a
    Response time37.4 msn/a
    Contrast995:1n/a
    Sources: NotebookCheck [Xiaomi Poco X3 Pro]

    Design & Build

    Design and ergonomics comparison
    Height 165.3 mm (6.51 in) 163.4 mm (6.43 in)
    Width 76.8 mm (3.02 in) 77 mm (3.03 in)
    Thickness 9.4 mm (0.37 in) 8.1 mm (0.32 in)
    Weight 215 g (7.58 oz) 206 g (7.27 oz)
    Water resistance IP53 IP65
    Cooling system Vapor chamber Vapor chamber
    Back panel Plastic n/a
    Frame Plastic Metal
    Colors - Black
    - Gold
    - Blue    		 - Black
    - Gray
    - Blue
    - Purple
    Fingerprint sensor Yes In-Button Yes In-Display
    Screen-to-body ratio
    Xiaomi Poco X3 Pro
    84.6 %
    OnePlus Ace 5 Ultra
    90.1 %

    Performance

    Testing Xiaomi Poco X3 Pro and OnePlus Ace 5 Ultra In benchmarks
    Processor
    Chipset Qualcomm Snapdragon 860 MediaTek Dimensity 9400 Plus
    Max Frequency 2960 MHz 3730 MHz
    CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
    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))    		 - 4/2.4 (Cortex-A720)
    - 3/3.3 (Cortex-X4)
    - 1/3.73 (Cortex-X925)
    Process TSMC TSMC
    Transistor Size 7 nm 3 nm
    Neural Processor Hexagon 690 MediaTek NPU 890
    Graphics Adreno 640 Mali-G925 Immortalis MP12
    GPU Cores 768 1536
    GPU Frequency 675 MHz 1612 MHz
    FLOPS 1036.8 GFLOPS 4952.1 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    Xiaomi Poco X3 Pro
    973
    OnePlus Ace 5 Ultra
    2677
    Geekbench 6 (Multi-Core)
    Xiaomi Poco X3 Pro
    2589
    OnePlus Ace 5 Ultra
    8564
    Geekbench 6 (Single-Core)9732677
    Geekbench 6 (Multi-Core)25898564
    Geekbench Compute (GPU)n/a24974
    Sources: Geekbench v6 [OnePlus Ace 5 Ultra]
    AnTuTu 10
    AnTuTu 10
    Xiaomi Poco X3 Pro
    642297
    OnePlus Ace 5 Ultra
    3030235
    CPU181709637488
    GPU1557431365865
    Memory126967503742
    UX177878523140
    NanoReview Score6422973030235
    3DMark Wild Life
    3DMark Wild Life
    Xiaomi Poco X3 Pro
    3456
    OnePlus Ace 5 Ultra
    n/a
    Max Surface Temp.44.1 °Cn/a
    Stability97 %n/a
    Graphics Test20 fpsn/a
    Graphics Score3456n/a
    Sources: 3DMark [Xiaomi Poco X3 Pro]
    PCMark 3.0
    PCMark 3.0
    Xiaomi Poco X3 Pro
    10579
    OnePlus Ace 5 Ultra
    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 n/a
    Channels 2 4
    Storage
    Storage Capacity- 128 GB
    - 256 GB    		256 GB
    Storage TypeUFS 3.1UFS 4.0
    Memory CardMicroSDNo

    Software

    OS Android 11 (Upgradeable to Android 13) Android 15
    OS Size 13 GB n/a
    UI Skin MIUI 14 ColorOS 15

    Battery

    Volume 5160 mAh 6700 mAh
    Max Charging Power 33 W 100 W
    Battery Type Li-Po Silicon Carbon (Si/C)
    Removable No No
    Wireless Charging No No
    Reverse Charging No Yes
    Fast Charging Yes (55% in 30 min) Yes (51% in 15 min)
    Full Charge Time 1:15 h 0:39 h
    Battery Life Test
    Battery Life
    Xiaomi Poco X3 Pro
    22:40
    OnePlus Ace 5 Ultra
    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 Digital
    Flash Dual LED LED
    Stabilization Digital Optical
    8K Recording No No
    4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
    1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
    Slow Motion 960 fps (1080p) 240 fps (1080p)
    Wide-angle lens 119 ° 112 °
    Lenses count Standard: 48 MP
    Ultra-wide: 8 MP
    Macro: 2 MP
    Depth: 2 MP    		 Standard: 50 MP
    Ultra-wide: 8 MP
    Features - Bokeh effect
    - Pro mode    		 - Bokeh effect
    - Pro mode
    Main lens
    Matrix48 MP50 MP
    Aperturef/1.8f/1.8
    Focal length26 mm24 mm
    SensorSony IMX582Sony IMX906
    Sensor size1/2.01/1.56
    Pixel size0.8 μm1 μm
    AutofocusPhase autofocusPhase autofocus
    StabilizationDigitalOptical
    Ultra-wide lens
    Matrix8 MP8 MP
    Aperturef/2.2f/2.2
    Focal lengthn/a16 mm
    SensorOmnivision OV8856Omnivision OV08D10
    Sensor size1/41/4.0
    Pixel size1.12 μm1.12 μm
    StabilizationDigitalDigital

    Front camera

    Matrix 20 MP 16 MP
    Photo resolution 5480x3648 pixels 4608x3456 pixels
    Aperture f/2.2 f/2.4
    Focal length 25 mm 23 mm
    Sensor CMOS CMOS
    Sensor size 1/3.4 1/3
    Pixel size 0.8 μm 1 μm
    Autofocus No No
    Stabilization Digital Digital
    Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 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 5.4
    Bluetooth features LE, A2DP LE
    USB type USB Type-C USB Type-C
    USB version 2 2
    USB features - Charging
    - USB Storage Mode
    - USB-Host mode
    - OTG    		 - Charging
    - USB Storage Mode
    - OTG
    DisplayPort n/a No
    GPS - GPS
    - GLONASS
    - Beidou
    - Galileo    		 - GPS
    - GLONASS
    - Beidou
    - Galileo
    - NAVIC
    NFC* Yes Yes
    Infrared Port Yes Yes
    Connectivity
    SIM Count*22
    SIM TypeNanoNano
    SIM ModeDual SIM StandbyDual SIM Standby
    eSIM Support *NoNo
    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 n/a
    Speaker Test
    Max Volume
    Xiaomi Poco X3 Pro
    88.3 dB
    OnePlus Ace 5 Ultra
    n/a

    Other

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

    Results

    After analyzing the data, we consider OnePlus Ace 5 Ultra the clear winner in this comparison.

    Survey

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