Samsung Galaxy A21 vs Samsung Galaxy A20 Specs Comparison

Availability

Officially announced
Apr 08, 2020
Prices (MSRP)
$250	$250

Design

Dimensions
6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm	6.24 x 2.94 x 0.31 inches 158.4 x 74.7 x 7.8 mm
Weight
6.81 oz (193.0 g)	5.96 oz (169.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Black,Deep blue, Red

Display

Size
6.5-inch, 79.20% screen-to-body	6.4-inch, 84.95% screen-to-body
Type
IPS LCD, 60Hz	Super AMOLED, 60Hz
Resolution
1600x720px, 20:9 ratio, 270 PPI	1560x720px, 19.5:9 ratio, 268 PPI

Hardware

System chip
Mediatek Helio P35 MT6765 (12 nm)	Samsung Exynos 7884 (14 nm)
Processor
Octa-core 4x2.3GHz Cortex-A53 4x1.8G​Hz Cortex-A53	Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
PowerVR GE8320	Mali-G71 MP2
Memory
3GB (LPDDR4)/32GB (eMMC 5.1)	3GB (LPDDR4)/32GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10)	Android (11, 10, 9.0 Pie)

Battery

Type
4000 mAh, Li - Polymer	4000 mAh
Charging
Fast charging	Samsung Adaptive Fast Charging
Charge speed
Wired: 15.0W

Camera

Rear
Quad camera	Dual camera
Main camera
16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm	13 MP (Autofocus) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" 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
13 MP Video capture: 1080p	8 MP

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 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, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71	2, 3, 4, 5, 7, 13, 20, 28, 66
4G (TDD) Bands
38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U	Date approved: Jun 19, 2019 FCC ID value: A3LSMA205U
Measured SAR
Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg	Head: 1.09 W/kg Body: 0.60 W/kg Simultaneous Transmission: 1.37 W/kg Wireless Router: 1.00 W/kg Phablet: 3.94 W/kg

Alternative variants

for Verizon

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

for T-Mobile and Metro

4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71
4G (TDD) Bands	38, 39, 40, 41
3G Bands	5, 8, 4, 2, 1

for Sprint

4G (FDD) Bands	2, 3, 4, 5, 7, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

for Verizon, Sprint, Virgin Mobile and Boost Mobile

4G (FDD) Bands	2, 4, 5, 12, 13, 25, 26, 71
4G (TDD) Bands	41
3G Bands	5, 8, 4, 2, 1

for US Cellular

4G (FDD) Bands	2, 4, 5, 12, 13, 25, 66, 71
3G Bands	5, 8, 4, 2, 1

Links

Full specifications
Samsung Galaxy A21 Specs	Samsung Galaxy A20 Specs
User Reviews
Samsung Galaxy A21 User Reviews	Samsung Galaxy A20 User Reviews