Display
Size:
6.5 inches
6.8 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 405 PPI
3200 x 1440 pixels, 20:9 ratio, 516 PPI
Technology:
Super AMOLED
Dynamic AMOLED
Screen-to-body:
86.06 %
89.33 %
Peak brightness:
1600 cd/m2 (nit)
Features:
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
120Hz refresh rate (adaptable), HDR video support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 9611
Qualcomm Snapdragon 888
Processor:
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
GPU:
Mali-G72 MP3
Adreno 660
RAM:
6GB LPDDR4
12GB LPDDR5
Internal storage:
128GB (UFS 2.1), available to use: 106.4 GB
128GB (UFS 3.1), not expandable
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (10), Samsung One UI
Android (11), Samsung One UI
Battery
Capacity:
6000 mAh
5000 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging, Reverse charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Max charge speed:
Wired: 25.0W
Wired: 25.0W; Wireless: 15.0W
Camera
Rear:
Quad camera
Quad camera
Main camera:
64 MP (PDAF)
108 MP (OIS, Laser and PDAF)
Specifications:
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Second camera:
12 MP (Ultra-wide)
10 MP (Telephoto, OIS, PDAF)
Specifications:
Aperture size: F2.2
Optical zoom: 3x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm
Third camera:
5 MP (Macro)
12 MP (Ultra-wide, PDAF)
Specifications:
Aperture size: F2.4
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Fourth camera:
5 MP (Depth information)
10 MP (Periscope, OIS, PDAF)
Specifications:
Aperture size: F2.4
Optical zoom: 10x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
Hyperlapse, EIS
HDR, Hyperlapse, EIS
Front:
32 MP
40 MP (PDAF, HDR)
Video capture:
3840x2160 (4K UHD) (30 fps)
3840x2160 (4K UHD) (60 fps)
Design
Dimensions:
6.27 x 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)
Weight:
7.16 oz (203.0 g)
8.04 oz (229.0 g)
Materials:
Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum
Resistance:
Water, Dust; IP68
Biometrics:
Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Mirage black, Mirage blue
Phantom black, Silver
Cellular
5G:
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
LTE (FDD):
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)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
LTE (TDD):
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
UMTS:
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
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, UMTS
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM
Multimedia
Headphones:
3.5mm jack
No 3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Features:
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation, Video recording
Connectivity & Features
Bluetooth:
5.0
5.1
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2
Features:
Charging, OTG
Charging, Headphones port, OTG, Video out
Location:
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other:
NFC
NFC, ANT+
Hearing aid compatible:
M3, T3
Regulatory Approval
Measured SAR:
Head:
0.77 W/kg
Body:
1.02 W/kg
Simultaneous Transmission:
1.59 W/kg
Wireless Router:
1.16 W/kg
Phablet:
3.15 W/kg
Buyers information
Price:
€ 310
$ 1200
User Manual:
This is the official Samsung Galaxy M31s User Guide in English provided from the manufacturer.
In The Box:
C to C Data Cable, Ejection Pin
Availability
Officially announced:
Jul 30, 2020
Jan 14, 2021
Scheduled release:
Jan 29, 2021
