Samsung Galaxy A21 vs Samsung Galaxy A12 Specs Comparison

Availability

Officially announced
Apr 08, 2020	Nov 24, 2020
MSRP
$ 250	€ 179

Design

Dimensions
6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm	6.46 x 2.98 x 0.35 inches 164 x 75.8 x 8.9 mm
Weight
6.81 oz (193.0 g)	7.23 oz (205.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Black, White, Blue, Red

Display

Size
6.5-inch, 79.20% screen-to-body	6.5-inch, 85.80% screen-to-body
Type
IPS LCD, 60Hz	LCD
Resolution
1600x720px, 20:9 ratio, 270 PPI	1600x720px, 20:9 ratio, 270 PPI

Hardware

System chip
Mediatek Helio P35 MT6765 (12 nm)	Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core 4x2.3GHz Cortex-A53 4x1.8G​Hz Cortex-A53	Octa-core 4x2.3GHz Cortex-A53 4x1.8G​Hz Cortex-A53
GPU
PowerVR GE8320	PowerVR GE8320
Memory
3GB (LPDDR4)/32GB (eMMC 5.1)	4GB (LPDDR4)/64GB (eMMC 5.1) 3GB/32GB 6GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1024 GB
OS
Android (10)	Android (10)

Battery

Type
4000 mAh, Li - Polymer	5000 mAh, Li - Polymer
Charging
Fast charging	Samsung Adaptive Fast Charging
Charge speed
Wired: 15.0W	Wired: 15.0W

Camera

Rear
Quad camera	Quad camera
Main camera
16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm	48 MP (Autofocus) Aperture size: F2.0 Focal length: 26 mm
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
Third camera
2 MP (Macro) Aperture size: F2.4	2 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information) Aperture size: F2.4	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	b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, 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	NFC

Multimedia

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

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66(AWS-3), 71(600)	Bands 1, 3, 5, 7, 8, 20, 28
4G (TDD)
Bands 38, 39, 40, 41	Bands 38, 40, 41
3G
Bands 1, 2, 4, 5, 8	Bands 1, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	No
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U	Date approved: Mar 11, 2021 FCC ID value: A3LSMA125U
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: 1.14 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 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

With 32GB storage

Memory	3GB/32GB

for Sprint

4G (FDD)	Bands 2, 3, 4, 5, 7, 12, 13, 25, 26, 66(AWS-3), 71(600)
4G (TDD)	Bands 41

With 128GB storage

Memory	6GB/128GB

Links

Full specifications
Samsung Galaxy A21 Specs	Samsung Galaxy A12 Specs
User Reviews
Samsung Galaxy A21 User Reviews