Xiaomi Poco X3 Pro vs Samsung Galaxy M31

Compared 2 smartphones : Xiaomi Poco X3 Pro Manufactured in April, 2021, with display 6.67 with chipsetQualcomm Snapdragon 860, vs Samsung Galaxy M31, Manufactured in March, 2020 with chipsetSamsung Exynos 7 Octa 9611. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X3 Pro
  • Larger display: 6.67in
  • Higher refresh rate: 120Hz
  • Infrared port
Reasons to choose Samsung Galaxy M31
  • Higher pixel density: 403ppi
  • Lighter design: 191g vs 215g
  • Higher battery capacity: 6000mAh vs 5160mAh
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 6/125 GB
- 6/128 GB
- 6/256 GB
- 8/128 GB
- 8/256 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB

Review

Key Specs Xiaomi Poco X3 Pro and Samsung Galaxy M31
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.
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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 IPS LCD Super AMOLED
Size 6.67 in 6.4 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 395 ppi 403 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 450 nits 600 nits
HDR support Yes HDR10 Yes HDR10
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 84.6 % 84.1 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Xiaomi Poco X3 Pro
530 nits
Samsung Galaxy M31
614 nits
sRGB gamut95.1 %142 %
PWM (Flicker)2404 Hz208 Hz
Response time37.4 ms8.5 ms
Contrast995:1∞ Infinite

Design & Build

Design and ergonomics comparison
Height 165.3 mm (6.51 in) 159.2 mm (6.27 in)
Width 76.8 mm (3.02 in) 75.1 mm (2.96 in)
Thickness 9.4 mm (0.37 in) 8.9 mm (0.35 in)
Weight 215 g (7.58 oz) 191 g (6.74 oz)
Water resistance IP53 No
Cooling system Vapor chamber n/a
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Gold
- Blue
- Black
- Blue
- Red
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Xiaomi Poco X3 Pro
84.6 %
Samsung Galaxy M31
84.1 %

Performance

Testing Xiaomi Poco X3 Pro and Samsung Galaxy M31 In benchmarks
Processor
Chipset Qualcomm Snapdragon 860 Samsung Exynos 7 Octa 9611
Max Frequency 2960 MHz 2300 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 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))
- 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 7 nm 10 nm
Neural Processor Hexagon 690 Yes
Graphics Adreno 640 Mali-G72 MP3
GPU Cores 768 54
GPU Frequency 675 MHz 850 MHz
FLOPS 1036.8 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X3 Pro
973
Samsung Galaxy M31
505
Geekbench 6 (Multi-Core)
Xiaomi Poco X3 Pro
2589
Samsung Galaxy M31
1547
Geekbench 6 (Single-Core)973505
Geekbench 6 (Multi-Core)25891547
AnTuTu 10
AnTuTu 10
Xiaomi Poco X3 Pro
642297
Samsung Galaxy M31
257150
CPU18170973640
GPU15574345350
Memory12696762516
UX17787875644
NanoReview Score642297257150
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X3 Pro
3456
Samsung Galaxy M31
820
Max Surface Temp.44.1 °C45.2 °C
Stability97 %74 %
Graphics Test20 fps4 fps
Graphics Score3456820
PCMark 3.0
PCMark 3.0
Xiaomi Poco X3 Pro
10579
Samsung Galaxy M31
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
6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
128 GB
Storage TypeUFS 3.1UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 11 (Upgradeable to Android 13) Android 10 (Upgradeable to Android 12)
OS Size 13 GB 15 GB
UI Skin MIUI 14 One UI 4.1

Battery

Volume 5160 mAh 6000 mAh
Max Charging Power 33 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (55% in 30 min) Yes Samsung Adaptive Fast Charge (45% in 60 min)
Full Charge Time 1:15 h 2:25 h
Battery Life Test
Battery Life
Xiaomi Poco X3 Pro
22:40
Samsung Galaxy M31
24:27
Web Browsing08:43 h10:13 h
Video Playback12:45 h14:16 h
Games05:20 h05:44 h
Standby Mode117 h117 h

Main camera

Matrix 48 MP 64 MP
Photo resolution 8000x6000 pixels 9248x6920 pixels
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (1080p) 240 fps (720p)
Wide-angle lens 119 ° 123 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Standard: 64 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix48 MP64 MP
Aperturef/1.8f/1.8
Focal length26 mm26 mm
SensorSony IMX582ISOCELL Bright GW1
Sensor size1/2.01/1.72
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal lengthn/a12 mm
SensorOmnivision OV8856n/a
Sensor size1/41/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 32 MP
Photo resolution 5480x3648 pixels 6528x4896 pixels
Aperture f/2.2 f/2.0
Focal length 25 mm 26 mm
Sensor CMOS Sony IMX616
Sensor size 1/3.4 1/2.8
Pixel size 0.8 μm 0.8 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 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 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
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
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Varies by region
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G BandsGSM B2/3/5/8GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsUMTC B1/2/4/5/8HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B32/B38/B40/B41)LTE (B1/B3/B5/B8/B20/B40/B41)
LTE category2012
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Poco X3 Pro
88.3 dB
Samsung Galaxy M31
81.7 dB

Other

Class Mid-range Mid-range
Announced March, 2021 yr February, 2020 yr
Release Date April, 2021 yr March, 2020 yr
Launch Price ($) 250 220
Sensors - 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

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