Display
Size:
6.5 inches
6.6 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 405 PPI
1600 x 720 pixels, 20:9 ratio, 266 PPI
Technology:
Super AMOLED
Super AMOLED
Refresh rate:
60Hz
Screen-to-body:
86.06 %
84.26 %
Features:
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 9611 (10 nm)
Qualcomm Snapdragon 750G SM7225 (8 nm)
Processor:
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
Octa-core, 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570, 64-bit
GPU:
Mali-G72 MP3
Adreno 619
RAM:
6GB LPDDR4
4GB LPDDR4
Internal storage:
128GB (UFS 2.1), available to use: 106.4 GB
128GB, available to use: 106 GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
OS:
Android (11, 10), Samsung One UI
Android (12, 11, 10), Samsung One UI
Battery
Capacity:
6000 mAh
5000 mAh
Type:
Not user replaceable
Not user replaceable
Charging:
Fast charging, Reverse charging
Samsung Adaptive Fast Charging
Max charge speed:
Wired: 25.0W
Wired: 15.0W
Camera
Rear:
Quad camera
Quad camera
Main camera:
64 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F1.8; Pixel size: 0.8 μm
Second camera:
12 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Aperture size: F2.2
Third camera:
5 MP (Macro)
5 MP (Macro)
Specifications:
Aperture size: F2.4
Aperture size: F2.4
Fourth camera:
5 MP (Depth information)
5 MP (Depth information)
Specifications:
Aperture size: F2.4
Aperture size: F2.4
Flash:
LED
LED
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
Features:
Hyperlapse, EIS
Front:
32 MP
20 MP (Autofocus)
Video capture:
3840x2160 (4K UHD) (30 fps)
Design
Dimensions:
6.27 x 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
6.47 x 2.99 x 0.34 inches (164.4 x 75.9 x 8.6 mm)
Weight:
7.16 oz (203.0 g)
6.81 oz (193.0 g)
Biometrics:
Fingerprint (touch)
In-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Mirage black, Mirage blue
Prism Dot black, Prism Dot white, Prism Dot grey
Cellular
5G:
n1, n3, n5, n7, n8, n28, 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), 17(700 b), 20(800 DD), 28(700 APT)
4G (TDD):
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
Shared with microSD
SIM type:
Nano SIM
Nano SIM
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
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, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging, OTG
Charging
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
Other:
NFC
NFC
Regulatory Approval
FCC approval:
Date approved:
Apr 08, 2021
FCC ID value:
A3LSMA426U
Measured SAR:
Head:
1.11 W/kg
Body:
1.25 W/kg
Simultaneous Transmission:
1.59 W/kg
Wireless Router:
1.06 W/kg
Phablet:
3.81 W/kg
Buyers information
Price:
€ 310
€ 340
User Manual:
This is the official Samsung Galaxy M31s User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy A42 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Jul 30, 2020
Sep 02, 2020