Display
Size:
6.5 inches
6.2 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 405 PPI
3200 x 1440 pixels, 20:9 ratio, 566 PPI
Technology:
Super AMOLED
Dynamic AMOLED
Refresh rate:
120Hz (@1080p)
Screen-to-body:
86.06 %
88.59 %
Features:
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 9611 (10 nm)
Qualcomm Snapdragon 865 SM8250 (7 nm)
Processor:
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
Octa-core, 1x 2.84GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585, 64-bit
GPU:
Mali-G72 MP3
Adreno 650
RAM:
6GB LPDDR4
12GB LPDDR5
Internal storage:
128GB (UFS 2.1), available to use: 106.4 GB
128GB (UFS 3.0)
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
OS:
Android (11, 10), Samsung One UI
Android (13, 12, 11, 10), Samsung One UI
Battery
Capacity:
6000 mAh
4000 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging, Reverse charging
Qualcomm Quick Charge 2.0, 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
Triple camera
Main camera:
64 MP (PDAF)
12 MP (OIS, 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: 1/1.7"; Pixel size: 1.8 μm
Second camera:
12 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)
Specifications:
Aperture size: F2.2
Aperture size: F2.0; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Third camera:
5 MP (Macro)
12 MP (Ultra-wide, Autofocus)
Specifications:
Aperture size: F2.4
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.4 μm
Fourth camera:
5 MP (Depth information)
Specifications:
Aperture size: F2.4
Flash:
LED
LED
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
OIS, HDR, EIS
Front:
32 MP
10 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)
5.97 x 2.72 x 0.31 inches (151.7 x 69.1 x 7.9 mm)
Weight:
7.16 oz (203.0 g)
5.78 oz (163.0 g)
Materials:
Back: Glass (Corning Gorilla Glass 6); 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
Cloud blue, Cosmic grey, Cloud pink, Cosmic white
Cellular
5G:
n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6
4G (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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD):
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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 Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
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
Connectivity & Features
Bluetooth:
5.0
5.0
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 3.1
Features:
Charging, OTG
Charging, Headphones port, OTG
Location:
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, 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
FCC approval:
Date approved:
Jan 24, 2020
FCC ID value:
A3LSMG981U
Measured SAR:
Head:
1.07 W/kg
Body:
1.03 W/kg
Simultaneous Transmission:
1.59 W/kg
Wireless Router:
1.25 W/kg
Phablet:
3.99 W/kg
Buyers information
Price:
€ 310
$ 1000
User Manual:
This is the official Samsung Galaxy M31s User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy S20 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Jul 30, 2020
Feb 11, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless