Samsung Galaxy M31s vs Galaxy M31

Here we compared two mid-range smartphones: the 6.46-inch Samsung Galaxy M31s (with Exynos 7 Octa 9611) that was released on July 30, 2020, against the Samsung Galaxy M31, which is powered by the same chip and came out 5 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy M31s
  • Reverse charging feature
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Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

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Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Super AMOLED Super AMOLED
Size 6.46 inches 6.4 inches
Resolution 1080 x 2400 pixels 1080 x 2340 pixels
Aspect ratio 20:9 19.5:9
PPI 405 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 600 nits 600 nits
HDR support Yes, HDR10 Yes, HDR10
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Screen-to-body ratio 84.6% 84%
Display features - Always-On Display - Always-On Display
Display tests
RGB color space 98.2% 142%
PWM 125 Hz 208 Hz
Response time 9 ms 8.5 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
605 nits
619 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 159.4 mm (6.28 inches) 159.2 mm (6.27 inches)
Width 75.3 mm (2.96 inches) 75.1 mm (2.96 inches)
Thickness 8.9 mm (0.35 inches) 8.9 mm (0.35 inches)
Weight 195 g (6.88 oz) 191 g (6.74 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue Black, Blue, Red
Fingerprint scanner Yes, in home button Yes, rear
Screen-to-body ratio
84.6%

Performance

Tests of Samsung Galaxy M31s and Samsung Galaxy M31 in the benchmarks
SoC
Chipset Samsung Exynos 7 Octa 9611 Samsung Exynos 7 Octa 9611
Max clock 2300 MHz 2300 MHz
CPU cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
- 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
Lithography process 10 nanometers 10 nanometers
Graphics Mali-G72 MP3 Mali-G72 MP3
GPU clock 850 MHz 850 MHz
FLOPS ~259 GFLOPS ~259 GFLOPS

Benchmarks

Geekbench 5 (Single-Core)
346
Geekbench 5 (Multi-Core)
1275
1249
AnTuTu Benchmark 9
230288
245115
CPU 60510 62115
GPU 54702 56904
Memory 54373 51495
UX 60070 74539
Total score 230288 245115
3DMark Wild Life Performance
820
Max surface temperature 42.4 °C 45.2 °C
Stability 97% 74%
Graphics test 4 FPS 4 FPS
Graphics score 776 820
Sources: 3DMark [3], [4]

Memory

RAM
RAM size 6 GB 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 2.1 UFS 2.1
Memory card MicroSD MicroSD
Memory card max size Up to 512 GB Up to 512 GB

Software

Operating system Android 10 (Can be upgraded to Android 12) Android 10 (Can be upgraded to Android 12)
ROM One UI 4.1 One UI 4.1
OS size 21.6 GB 15 GB

Battery

Specifications
Capacity 6000 mAh 6000 mAh
Charge power 25 W 15 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging Yes No
Fast charging Yes, Samsung Adaptive Fast Charge (45% in 43 min) Yes, Samsung Adaptive Fast Charge (45% in 60 min)
Full charging time 1:38 hr 2:25 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 64 megapixels
Image resolution 9248 x 6936 9248 x 6920
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 30FPS Up to 30FPS
Slow motion 240 FPS (720p) 240 FPS (720p)
Angle of widest lens 123° 123°
Lenses 4 (64 MP + 12 MP + 5 MP + 5 MP) 4 (64 MP + 8 MP + 5 MP + 5 MP)
Wide (main) lens - 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72", Sony IMX682 (Exmor-RS CMOS)
- Phase autofocus
- 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72", ISOCELL Bright GW1 (ISOCELL CMOS)
- Phase autofocus
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 12 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
- 8 MP
- Aperture: f/2.2
- Focal length: 12 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
Macro lens - 5 MP
- Aperture: f/2.4
- 5 MP
- Aperture: f/2.2
Depth lens - 5 MP
- Aperture: f/2.2
- Focal length: 25 mm
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
- 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 32 megapixels 32 megapixels
Image resolution 6528 x 4896 6528 x 4896
Aperture f/2.0 f/2.0
Focal length 26 mm 26 mm
Pixel size 0.8 microns 0.8 microns
Sensor type CMOS CMOS
Sensor size 1/2.8" 1/2.8"
Video resolution 2160p (4K) at 30 FPS 2160p (4K) at 30 FPS

Connectivity

Wi-Fi standard 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
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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 GPS, GLONASS, Beidou, Galileo
NFC* No Depends on the region
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 12 12
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos Yes Yes
Speakers test
Max loudness
82.7 dB
81.7 dB

Other

Category Mid-range Mid-range
Announced July 2020 February 2020
Release date August 2020 March 2020
SAR (head) - 0.48 W/kg
SAR (body) - 1.13 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

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Total votes: 1673

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