Samsung Galaxy M20 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.

7.5
Samsung Galaxy A21s
Samsung Galaxy M20 Samsung Galaxy A21s
Released · Feb 05, 2019
Released · Jun 19, 2020
6.3-inch · 2340x1080px
6.5-inch · 1600x720px
Dual camera
Quad camera
4GB · 64GB
3GB · 32GB
5000 mAh
5000 mAh
Check prices

Design

Dimensions
6.16 x 2.93 x 0.35 inches
156.4 x 74.5 x 8.8 mm
6.44 x 2.96 x 0.35 inches
163.7 x 75.3 x 8.9 mm
Weight
6.56 oz (186.0 g) 6.77 oz (192.0 g)
Materials
Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Ocean blue, Charcoal black Black, White, Blue, Red

Display

Size
6.3-inch 6.5-inch
Resolution
2340x1080px, 19.5:9 ratio, 409 PPI 1600x720px, 20:9 ratio, 270 PPI
Technology
IPS LCD TFT
Screen-to-body
83.67 % 82.94 %
Features
Proximity sensor Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7904 (14 nm) Samsung Exynos 850
Processor
Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53
Octa-core
8x 2.0GHz Cortex-A55
GPU
Mali-G71 MP2 Mali-G76
RAM
4GB (LPDDR4) 3GB (LPDDR4)
Internal storage
64GB, available to use: 50.5 GB 32GB (eMMC 5.1), available to use: 19.5 GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (10, 9.0 Pie, 8.1 Oreo), Samsung One UI Android (10), Samsung One UI

Battery

Capacity
5000 mAh 5000 mAh
Type
Li - Polymer Li - Polymer
Charging
Samsung Adaptive Fast Charging Fast charging
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

Camera

Rear
Dual camera Quad camera
Main camera
13 MP (PDAF)
Aperture size: F1.9
Sensor size: 1/3.1"
Pixel size: 1.12 μm
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
2 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps) 1920x1080 (Full HD) (30 fps)
Front
8 MP (HDR), Video capture: 1920x1080 (Full HD) 13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

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

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM, RDS, Recording option
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD) Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100) Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A Cat 12/13 (600/150 Mbit/s), 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
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Jan 20, 2019
FCC ID value: A3LSMM205FN
Measured SAR
Head: 0.18 W/kg
Body: 0.54 W/kg
Simultaneous Transmission: 1.29 W/kg
Wireless Router: 1.13 W/kg

Buyers information

MSRP
€ 240

Availability

Officially announced
Jan 28, 2019 May 15, 2020

Alternative variants

with 32 GB storage
RAM 3GB
Internal storage 32GB, available to use: 21.8 GB
with 4GB RAM
RAM 4GB
Internal storage 64GB
with 6GB RAM
RAM 6GB
Internal storage 64GB
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