Samsung Galaxy M31s vs Samsung Galaxy A21s Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy M31s
7.5
Samsung Galaxy A21s
Samsung Galaxy M31s Samsung Galaxy A21s
Released · Aug 06, 2020
Released · Jun 19, 2020
6.5-inch · 2400x1080px
6.5-inch · 1600x720px
Quad camera
Quad camera
6GB · 128GB
3GB · 32GB
6000 mAh
5000 mAh

Availability

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

Design

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

Display

Size
6.5-inch, 86.06% screen-to-body 6.5-inch, 82.94% screen-to-body
Type
Super AMOLED TFT
Resolution
2400x1080px, 20:9 ratio, 405 PPI 1600x720px, 20:9 ratio, 270 PPI
Protection
Corning Gorilla Glass 3
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
Untested 4.6 (Poor)
Learn more on our PhoneArena Display Test Results page.

Hardware

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

Battery

Type
6000 mAh 5000 mAh, Li - Polymer
Charging
Fast charging
Reverse wired charging 		Fast charging
Charge speed
Wired: 25.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
Untested
Browsing
Untested
Video
11h 9min
Gaming
7h 48min
Learn more on our PhoneArena Battery Test Results page

Camera

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

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, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Proximity sensor
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC NFC

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, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66 1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 40, 41 38, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 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 8GB RAM
Memory 8GB
with 4GB RAM
Memory 4GB/64GB
with 6GB RAM
Memory 6GB/64GB
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