Samsung Galaxy A21s vs Samsung Galaxy M31s Specs Comparison

Availability

Officially announced
May 15, 2020	Jul 30, 2020
Prices (MSRP)
€240	€310

Design

Dimensions
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm	6.27 x 2.93 x 0.37 inches 159.3 x 74.4 x 9.3 mm
Weight
6.77 oz / 192.0 g	7.16 oz / 203.0 g
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White, Blue, Red	Mirage black, Mirage blue

Display

Size
6.5-inch, 82.94% screen-to-body	6.5-inch, 86.06% screen-to-body
Type
TFT	Super AMOLED
Resolution
1600x720px, 20:9 ratio, 270 PPI	2400x1080px, 20:9 ratio, 405 PPI
Protection
	Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
4.6 (Poor)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 850	Samsung Exynos 9611 (10 nm)
Processor
Octa-core 8x2.0GHz Cortex-A55	Octa-core 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53
GPU
Mali-G76	Mali-G72 MP3
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB	6GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10)	Android (11, 10)

Battery

Type
5000 mAh, Li - Polymer	6000 mAh
Charging
Fast charging	Fast charging Reverse wired charging
Charge speed
	Wired: 25.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	12 MP (Ultra-wide) Aperture size: F2.2
Third camera
2 MP (Macro) Aperture size: F2.4	5 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information) Aperture size: F2.4	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p (30 fps)	4K UHD (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS
Front
13 MP Video capture: 1080p	32 MP Video capture: 4K UHD (30 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Other
NFC	NFC

Discover more

Full Specs Samsung Galaxy A21s Specs PA Review Samsung Galaxy A21s Review

Full Specs Samsung Galaxy M31s Specs

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 5, 8	1, 2, 4, 5, 8
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

Alternative variants

with 4GB RAM

Memory	4GB/64GB

with 8GB RAM

Memory	8GB

with 6GB RAM

Memory	6GB/64GB