OnePlus 9 Pro vs Xiaomi Poco X3 Pro

Compared 2 smartphones : OnePlus 9 Pro Manufactured in March, 2021, with display 6.7 with chipsetQualcomm Snapdragon 888, vs Xiaomi Poco X3 Pro, Manufactured in April, 2021 with chipsetQualcomm Snapdragon 860. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose OnePlus 9 Pro
  • Larger display: 6.7in
  • Higher pixel density: 525ppi
  • Lighter design: 197g vs 215g
  • Newer Bluetooth version: 5.2 vs 5
  • Supports newer USB: 3.1 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Poco X3 Pro
  • Higher battery capacity: 5160mAh vs 4500mAh
  • Infrared port

Versions

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

Review

Key Specs OnePlus 9 Pro and Xiaomi Poco X3 Pro
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

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.7 in 6.67 in
Resolution 1440x3216 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 525 ppi 395 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes No
Max brightness 500 nits 450 nits
HDR support Yes HDR10+ Yes HDR10
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 90.2 % 84.6 %
Features - DCI-P3
- Always-On Display
- DC dimming
n/a
Display test
Peak brightness (auto)
OnePlus 9 Pro
869 nits
Xiaomi Poco X3 Pro
530 nits
sRGB gamut97.8 %95.1 %
PWM (Flicker)192 Hz2404 Hz
Response time41.5 ms37.4 ms
Contrast∞ Infinite995:1

Design & Build

Design and ergonomics comparison
Height 163.2 mm (6.43 in) 165.3 mm (6.51 in)
Width 73.6 mm (2.9 in) 76.8 mm (3.02 in)
Thickness 8.7 mm (0.34 in) 9.4 mm (0.37 in)
Weight 197 g (6.95 oz) 215 g (7.58 oz)
Water resistance IP68 IP53
Cooling system n/a Vapor chamber
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Black
- Green
- Black
- Gold
- Blue
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
OnePlus 9 Pro
90.2 %
Xiaomi Poco X3 Pro
84.6 %

Performance

Testing OnePlus 9 Pro and Xiaomi Poco X3 Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 888 Qualcomm Snapdragon 860
Max Frequency 2840 MHz 2960 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Kryo 680 Silver (Cortex-A55))
- 3/2.42 (Kryo 680 Gold (Cortex-A78))
- 1/2.84 (Kryo 680 Prime (Cortex-X1))
- 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.96 (Cortex-A76 (Kryo 485 Prime))
Process Samsung TSMC
Transistor Size 5 nm 7 nm
Neural Processor Hexagon 780 Hexagon 690
Graphics Adreno 660 Adreno 640
GPU Cores 1024 768
GPU Frequency 840 MHz 675 MHz
FLOPS 1290.2 GFLOPS 1036.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 9 Pro
1488
Xiaomi Poco X3 Pro
973
Geekbench 6 (Multi-Core)
OnePlus 9 Pro
3996
Xiaomi Poco X3 Pro
2589
Geekbench 6 (Single-Core)1488973
Geekbench 6 (Multi-Core)39962589
AnTuTu 10
AnTuTu 10
OnePlus 9 Pro
975533
Xiaomi Poco X3 Pro
642297
CPU261741181709
GPU310698155743
Memory177203126967
UX225891177878
NanoReview Score975533642297
3DMark Wild Life
3DMark Wild Life
OnePlus 9 Pro
5707
Xiaomi Poco X3 Pro
3456
Max Surface Temp.45.6 °C44.1 °C
Stability58 %97 %
Graphics Test34 fps20 fps
Graphics Score57073456
PCMark 3.0
PCMark 3.0
OnePlus 9 Pro
11123
Xiaomi Poco X3 Pro
10579
Writing score1484113393
Web score89288062
Video editing60666035
Data manipulation92908470
NanoReview Score1112310579

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 6 GB
- 8 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 2750 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 128 GB
- 256 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardNoMicroSD

Software

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

Battery

Volume 4500 mAh 5160 mAh
Max Charging Power 65 W 33 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (100% in 32 min) Yes (55% in 30 min)
Full Charge Time 0:32 h 1:15 h
Battery Life Test
Battery Life
OnePlus 9 Pro
21:58
Xiaomi Poco X3 Pro
22:40
Web Browsing08:24 h08:43 h
Video Playback12:07 h12:45 h
Games04:56 h05:20 h
Standby Mode116 h117 h

Main camera

Matrix 48 MP 48 MP
Photo resolution 8000x6000 pixels 8000x6000 pixels
Zoom Optical, 3.3x Digital
Flash Dual LED Dual LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 480 fps (720p) 960 fps (1080p)
Wide-angle lens 140 ° 119 °
Lenses count Standard: 48 MP
Telephoto: 8 MP
Ultra-wide: 50 MP
Depth: 2 MP
Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix48 MP48 MP
Aperturef/1.8f/1.8
Focal length23 mm26 mm
SensorSony IMX789Sony IMX582
Sensor size1/1.431/2.0
Pixel size1.12 μm0.8 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix8 MPn/a
Aperturef/2.4n/a
Focal length77 mmn/a
SensorOmnivision OV08A10n/a
Sensor size1/4.4n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/1.8f/2.2
Focal length14 mmn/a
SensorSony IMX766Omnivision OV8856
Sensor size1/1.561/4
Pixel size1 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
OnePlus 9 Pro
124
Xiaomi Poco X3 Pro
n/a
Video quality
OnePlus 9 Pro
118
Xiaomi Poco X3 Pro
n/a
Overall camera score
OnePlus 9 Pro
122
Xiaomi Poco X3 Pro
n/a
Bokeh65n/a
Preview60n/a
Zoom110n/a

Front camera

Matrix 16 MP 20 MP
Photo resolution 4920x3264 pixels 5480x3648 pixels
Aperture f/2.0 f/2.2
Focal length n/a 25 mm
Sensor Sony IMX471 CMOS
Sensor size 1/3.06 1/3.4
Pixel size 1 μm 0.8 μm
Autofocus Phase autofocus 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 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.1 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- USB-Host mode
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- SBAS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoYes
2G BandsGSM 850/​900/​1800/​1900GSM B2/3/5/8
3G BandsWCDMA B1/​B2/​B4/​B5/​B8/​B9/​B19UMTC B1/2/4/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B32/B38/B40/B41)
LTE category2020
5G SupportYesNo

Sound

Speakers Stereo Stereo
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
OnePlus 9 Pro
81.1 dB
Xiaomi Poco X3 Pro
88.3 dB

Other

Class Flagship Mid-range
Announced March, 2021 yr March, 2021 yr
Release Date March, 2021 yr April, 2021 yr
Launch Price ($) 970 250
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus 9 Pro the clear winner in this comparison.

Survey

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