Display
Size:
6.7 inches
6.5 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 395 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
AMOLED
Super AMOLED
Screen-to-body:
87.18 %
86.06 %
Peak brightness:
800 cd/m2 (nit)
Features:
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 865 SM8250 (7 nm)
Samsung Exynos 9611 (10 nm)
Processor:
Octa-core, 2840 MHz, Kryo 585, 64-bit
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU:
Adreno 650
Mali-G72 MP3
RAM:
6GB LPDDR4
6GB LPDDR4
Internal storage:
128GB (UFS 3.1), not expandable
128GB (UFS 2.1), available to use: 106.4 GB
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (10), Xiaomi MI UI
Android (11, 10), Samsung One UI
Battery
Capacity:
4700 mAh
6000 mAh
Type:
Li - Polymer, Not user replaceable
Not user replaceable
Charging:
Qualcomm Quick Charge 4+, USB Power Delivery
Fast charging, Reverse charging
Max charge speed:
Wired: 30.0W
Wired: 25.0W
Camera
Rear:
Quad camera
Quad camera
Main camera:
64 MP (PDAF)
64 MP (PDAF)
Specifications:
Aperture size: F1.9; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Second camera:
5 MP (Telephoto, Macro, Autofocus)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Focal Length: 50 mm; Pixel size: 1.12 μm
Aperture size: F2.2
Third camera:
13 MP (Ultra-wide)
5 MP (Macro)
Specifications:
Aperture size: F2.4; Pixel size: 1.12 μm
Aperture size: F2.4
Fourth camera:
2 MP (Depth information)
5 MP (Depth information)
Specifications:
Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.4
Flash:
Dual LED
LED
Video recording:
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
Features:
Time-lapse video, EIS
Hyperlapse, EIS
Front:
20 MP (Pop-up, HDR, Slow-motion videos)
32 MP
Video capture:
1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps)
Design
Dimensions:
6.43 x 2.97 x 0.35 inches (163.3 x 75.4 x 8.9 mm)
6.27 x 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
Weight:
7.73 oz (219.0 g)
7.16 oz (203.0 g)
Materials:
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Resistance:
Splash, Dust; IP53
Biometrics:
In-screen fingerprint
Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Cyber grey, Electric purple, Phantom white, Neon blue
Mirage black, Mirage blue
Cellular
5G:
n77, n78, NSA, Sub-6
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD):
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
3G:
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
Yes
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
aptX, aptX-HD
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation
Connectivity & Features
Bluetooth:
5.1
5.0
Wi-Fi:
802.11 a, b, g, n, ac, ax (Wi-Fi 6); MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 3.0
Type-C (reversible), USB 2.0
Features:
Charging
Charging, OTG
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass
Other:
NFC, Infrared
NFC
Buyers information
Price:
€ 310
User Manual:
This is the official Samsung Galaxy M31s User Guide in English provided from the manufacturer.
In The Box:
33W charger, USB Type-C cable, Simple protective cover, SIM eject tool, User guide, Warranty card
Availability
Officially announced:
May 12, 2020
Jul 30, 2020