Home Phone comparison Xiaomi Poco M3 Pro and OnePlus 9 - Which is better?

Xiaomi Poco M3 Pro vs OnePlus 9

48 out 100
Xiaomi Poco M3 Pro
VS
63 out 100
OnePlus 9
Xiaomi Poco M3 Pro
OnePlus 9

Compared 2 smartphones : Xiaomi Poco M3 Pro Manufactured in May, 2021, with display 6.5 with chipsetMediaTek Dimensity 700, vs OnePlus 9, Manufactured in March, 2021with chipsetQualcomm Snapdragon 888 5G. 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 M3 Pro
  • Higher pixel density: 405ppi
  • Lighter design: 190g vs 192g
  • Higher battery capacity: 5000mAh vs 4500mAh
  • Infrared port
Reasons to choose OnePlus 9
  • Larger display: 6.55in
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.2 vs 5.1
  • Supports newer USB: 3.1 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 6/128 GB		 - 8/128 GB
- 12/256 GB

Review

Key Specs Xiaomi Poco M3 Pro and OnePlus 9
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 M3 Pro
vs
OnePlus 9

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.5 in 6.55 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 405 ppi 402 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 500 nits 500 nits
HDR support No Yes HDR10+
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 83.8 % 87.3 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco M3 Pro
532 nits
OnePlus 9
818 nits
sRGB gamut93.5 %98.9 %
PWM (Flicker)n/a323 Hz
Response time33.5 ms13 ms
Contrast2512:1∞ Infinite
Sources: NotebookCheck [Xiaomi Poco M3 Pro], [OnePlus 9]

Design & Build

Design and ergonomics comparison
Height 161.8 mm (6.37 in) 160 mm (6.3 in)
Width 75.3 mm (2.96 in) 74.2 mm (2.92 in)
Thickness 8.9 mm (0.35 in) 8.7 mm (0.34 in)
Weight 190 g (6.7 oz) 192 g (6.77 oz)
Water resistance No No
Back panel Plastic Glass
Frame Plastic Plastic
Colors - Black
- Blue
- Yellow		 - Black
- Blue
- Purple
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Poco M3 Pro
83.8 %
OnePlus 9
87.3 %

Performance

Testing Xiaomi Poco M3 Pro and OnePlus 9 In benchmarks
Processor
Chipset MediaTek Dimensity 700 Qualcomm Snapdragon 888 5G
Max Frequency 2200 MHz 2840 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)		 - 4/1.8 (Kryo 680 Silver (Cortex-A55))
- 3/2.42 (Kryo 680 Gold (Cortex-A78))
- 1/2.84 (Kryo 680 Prime (Cortex-X1))
Process TSMC Samsung
Transistor Size 7 nm 5 nm
Neural Processor Yes Hexagon 780
Graphics Mali-G57 MP2 Adreno 660
GPU Cores 128 1024
GPU Frequency 950 MHz 840 MHz
FLOPS 243.2 GFLOPS 1290.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco M3 Pro
698
OnePlus 9
1489
Geekbench 6 (Multi-Core)
Xiaomi Poco M3 Pro
1841
OnePlus 9
3996
Geekbench 6 (Single-Core)6981489
Geekbench 6 (Multi-Core)18413996
AnTuTu 10
AnTuTu 10
Xiaomi Poco M3 Pro
393792
OnePlus 9
937505
CPU134816248662
GPU62084308723
Memory94084169685
UX102808210435
NanoReview Score393792937505
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco M3 Pro
1104
OnePlus 9
5761
Max Surface Temp.41.5 °C48.8 °C
Stability99 %55 %
Graphics Test6 fps34 fps
Graphics Score11045761
Sources: 3DMark [Xiaomi Poco M3 Pro], [OnePlus 9]
PCMark 3.0
PCMark 3.0
Xiaomi Poco M3 Pro
7916
OnePlus 9
12032
Writing score944915081
Web score585011112
Video editing46766018
Data manipulation659810751
NanoReview Score791612032

Memory

RAM
RAM Size - 4 GB
- 6 GB		 - 8 GB
- 12 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 2133 MHz 2750 MHz
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		- 128 GB
- 256 GB
Storage TypeUFS 2.2UFS 3.1
Memory CardMicroSDNo

Software

OS Android 11 (Upgradeable to Android 13) Android 11 (Upgradeable to Android 13)
OS Size 19.2 GB 35 GB
UI Skin MIUI 14 OxygenOS 13

Battery

Volume 5000 mAh 4500 mAh
Max Charging Power 18 W 65 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging Yes No
Fast Charging Yes (33% in 30 min) Yes (100% in 29 min)
Full Charge Time 2:00 h 0:29 h
Battery Life Test
Battery Life
Xiaomi Poco M3 Pro
24:46
OnePlus 9
19:38
Web Browsing10:01 h07:52 h
Video Playback14:26 h11:44 h
Games05:48 h04:32 h
Standby Mode122 h96 h

Main camera

Matrix 48 MP 48 MP
Photo resolution 8000x6000 pixels 8000x6000 pixels
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Digital Digital
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 240 fps (1080p)
Wide-angle lens n/a 140 °
Lenses count Standard: 48 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 48 MP
Ultra-wide: 50 MP
Monochrome: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP48 MP
Aperturef/1.8f/1.8
Focal length26 mm23 mm
SensorOmniVision OV48BSony IMX689
Sensor size1/2.01/1.43
Pixel size0.8 μm1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.2
Focal lengthn/a14 mm
Sensorn/aSony IMX766
Sensor sizen/a1/1.56
Pixel sizen/a1 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Xiaomi Poco M3 Pro
n/a
OnePlus 9
123
Video quality
Xiaomi Poco M3 Pro
n/a
OnePlus 9
104
Overall camera score
Xiaomi Poco M3 Pro
n/a
OnePlus 9
115
Sources: DxOMark [OnePlus 9]

Front camera

Matrix 8 MP 16 MP
Photo resolution 3264x2448 pixels 4920x3264 pixels
Aperture f/2.0 f/2.0
Sensor OmniVision OV8856 Sony IMX471
Sensor size 1/4 1/3.06
Pixel size 1.12 μm 1 μm
Autofocus No Phase autofocus
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 6 (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 Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 5.2
Bluetooth features LE, HID, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- SBAS
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G BandsGSM 850 900 1800 1900 MHzGSM B2, 3, 5, 8
3G BandsWCDMA Band 1,2,4,5,8WCDMA B1, 2, 4, 5, 8, 9, 19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28/B32/B38/B40/B41/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B30/B32/B38/B39/B40/B41/B46/B48/B66/B71)
LTE category1820
5G SupportYesYes

Sound

Speakers Mono Stereo
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Poco M3 Pro
93.5 dB
OnePlus 9
83 dB

Other

Class Mid-range Flagship
Announced May, 2021 yr March, 2021 yr
Release Date May, 2021 yr March, 2021 yr
Launch Price ($) 200 730
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- 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 the clear winner in this comparison.

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