Samsung Galaxy A21s vs Samsung Galaxy M31s
Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone specs comparison tool or pick a popular device from the ones below.
Display
Size
Resolution
Technology
TFT
Super AMOLED
Screen-to-body
82.94 %
86.62 %
Features
Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip
Samsung Exynos 850
Samsung Exynos 9611
Processor
GPU
Mali-G76
Mali-G72 MP3
RAM
Internal storage
32GB (eMMC 5.1), available to use: 19.5 GB
128GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 512 GB
OS
Android (10), Samsung One UI
Android (10), Samsung One UI
Battery
Capacity
5000 mAh
6000 mAh
Type
Li - Polymer, Not user replaceable
Not user replaceable
Charging
Fast charging
Fast charging, Reverse charging
Max charge speed
Wired: 25.0W
Camera
Rear
Quad camera
Quad camera
Main camera
Specifications
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2
Third camera
2 MP (Macro)
5 MP (Macro)
Specifications
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
5 MP (Depth information)
Specifications
Aperture size: F2.4
Video recording
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD)
Features
Hyperlapse
Front
13 MP
32 MP
Design
Dimensions
Weight
the average is 6.2 oz (176 g)
Biometrics
2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
Colors
Black, White, Blue, Red
Mirage black, Mirage blue
Cellular
LTE (FDD)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
LTE (TDD)
Bands 38(2600), 40(2300), 41(2600+)
UMTS
850, 900, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
Multimedia
Headphones
3.5mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Screen mirroring
Wireless screen share
Wireless screen share
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)
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
Accelerometer
Other
NFC
