Samsung Galaxy M20 vs Samsung Galaxy A21s Specs Comparison

Availability

Officially announced
Jan 28, 2019	May 15, 2020
Prices (MSRP)
	€240

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, 83.67% screen-to-body	6.5-inch, 82.94% screen-to-body
Type
IPS LCD	TFT
Resolution
2340x1080px, 19.5:9 ratio, 409 PPI	1600x720px, 20:9 ratio, 270 PPI

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 7 Octa 7904 (14 nm)	Samsung Exynos 850
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 8x2.0GHz Cortex-A55
GPU
Mali-G71 MP2	Mali-G76
Memory
4GB (LPDDR4)/64GB 3GB/32GB	3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10, 9.0 Pie, 8.1 Oreo)	Android (10)

Battery

Type
5000 mAh, Li - Polymer	5000 mAh, 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

Learn more on our PhoneArena Battery Test Results page

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
1080p (30 fps)	1080p (30 fps)
Front
8 MP (HDR) Video capture: 1080p	13 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n	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, Proximity sensor	Accelerometer, Gyroscope, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, 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
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, 3, 5, 7, 8, 20	1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 5, 8
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

Alternative variants

with 32 GB storage

Memory	3GB/32GB

with 4GB RAM

Memory	4GB/64GB

with 6GB RAM

Memory	6GB/64GB

Discover more

Full Specs Samsung Galaxy M20 Specs

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