Home Phone comparison Xiaomi Redmi Note 9 Pro and Samsung Galaxy M31 - Which is better?

Xiaomi Redmi Note 9 Pro vs Samsung Galaxy M31

49 out 100
Xiaomi Redmi Note 9 Pro
VS
46 out 100
Samsung Galaxy M31
Xiaomi Redmi Note 9 Pro
Samsung Galaxy M31

Compared 2 smartphones : Xiaomi Redmi Note 9 Pro Manufactured in May, 2020, with display 6.67 with chipsetQualcomm Snapdragon 720G, vs Samsung Galaxy M31, Manufactured in March, 2020 with chipsetSamsung Exynos 7 Octa 9611. 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 Redmi Note 9 Pro
  • Larger display: 6.67in
  • Infrared port
Reasons to choose Samsung Galaxy M31
  • Higher pixel density: 403ppi
  • Lighter design: 191g vs 209g
  • Higher battery capacity: 6000mAh vs 5020mAh
  • Supports Dolby Atmos

Versions

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

Review

Key Specs Xiaomi Redmi Note 9 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
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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
Smartphones:
Redmi Note 9 Pro
vs
Samsung Galaxy M31

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 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 450 nits 600 nits
HDR support Yes HDR10 Yes HDR10
Screen-to-body ratio 84.4 % 84.1 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi Note 9 Pro
615 nits
Samsung Galaxy M31
614 nits
sRGB gamut99.8 %142 %
PWM (Flicker)2404 Hz208 Hz
Response time35.2 ms8.5 ms
Contrast1649:1∞ Infinite
Sources: NotebookCheck [Xiaomi Redmi Note 9 Pro], [Samsung Galaxy M31]

Design & Build

Design and ergonomics comparison
Height 165.8 mm (6.53 in) 159.2 mm (6.27 in)
Width 76.7 mm (3.02 in) 75.1 mm (2.96 in)
Thickness 8.8 mm (0.35 in) 8.9 mm (0.35 in)
Weight 209 g (7.37 oz) 191 g (6.74 oz)
Water resistance No No
Back panel Glass Plastic
Frame Plastic Plastic
Colors - White
- Gray
- Green		 - Black
- Blue
- Red
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Xiaomi Redmi Note 9 Pro
84.4 %
Samsung Galaxy M31
84.1 %

Performance

Testing Xiaomi Redmi Note 9 Pro and Samsung Galaxy M31 In benchmarks
Processor
Chipset Qualcomm Snapdragon 720G Samsung Exynos 7 Octa 9611
Max Frequency 2300 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 8 nm 10 nm
Neural Processor Hexagon 692 Yes
Graphics Adreno 618 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 750 MHz 850 MHz
FLOPS 384 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 9 Pro
719
Samsung Galaxy M31
505
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 9 Pro
1874
Samsung Galaxy M31
1547
Geekbench 6 (Single-Core)719505
Geekbench 6 (Multi-Core)18741547
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 9 Pro
389839
Samsung Galaxy M31
257150
CPU13957773640
GPU7315345350
Memory7283262516
UX10427775644
NanoReview Score389839257150
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 9 Pro
1044
Samsung Galaxy M31
820
Max Surface Temp.42.3 °C45.2 °C
Stability99 %74 %
Graphics Test6 fps4 fps
Graphics Score1044820
Sources: 3DMark [Xiaomi Redmi Note 9 Pro], [Samsung Galaxy M31]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 9 Pro
8136
Samsung Galaxy M31
n/a
Writing score9643n/a
Web score6022n/a
Video editing5453n/a
Data manipulation6923n/a
NanoReview Score8136n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB
- 8 GB		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.1UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 10.0 (Upgradeable to Android 12) Android 10 (Upgradeable to Android 12)
OS Size 18.9 GB 15 GB
UI Skin MIUI 14 One UI 4.1

Battery

Volume 5020 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 (50% in 30 min) Yes Samsung Adaptive Fast Charge (45% in 60 min)
Full Charge Time 1:20 h 2:25 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 9 Pro
26:36
Samsung Galaxy M31
24:27
Web Browsing10:27 h10:13 h
Video Playback13:57 h14:16 h
Games05:33 h05:44 h
Standby Mode143 h117 h

Main camera

Matrix 64 MP 64 MP
Photo resolution 9248x6920 pixels 9248x6920 pixels
Zoom Digital Digital
Flash 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 (720p) 240 fps (720p)
Wide-angle lens 119 ° 123 °
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP		 Standard: 64 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix64 MP64 MP
Aperturef/1.9f/1.8
Focal length26 mm26 mm
SensorSamsung Bright S5KGW1ISOCELL Bright GW1
Sensor size1/1.721/1.72
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm12 mm
SensorGalaxyCore GC8034n/a
Sensor size1/4.01/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels 6528x4896 pixels
Aperture f/2.48 f/2.0
Focal length n/a 26 mm
Sensor OmniVision OV32A1Q Sony IMX616
Sensor size 1/3.1 1/2.8
Pixel size 1 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, HID, 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
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - 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 SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600 / 2300 / 2500GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)LTE (B1/B3/B5/B8/B20/B40/B41)
LTE category1212
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi Note 9 Pro
87.1 dB
Samsung Galaxy M31
81.7 dB

Other

Class Mid-range Mid-range
Announced April, 2020 yr February, 2020 yr
Release Date May, 2020 yr March, 2020 yr
Launch Price ($) 185 220
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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