Samsung Galaxy A21s vs Samsung Galaxy A12 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 A12
Released · Jun 19, 2020	Released · Dec 21, 2020
6.5-inch · 1600x720px	6.5-inch · 1600x720px
Quad camera	Quad camera
3GB · 32GB	4GB · 64GB
5000 mAh	5000 mAh
	Check prices

Availability

Officially announced
May 15, 2020	Nov 24, 2020
Prices (MSRP)
€240	€179

Design

Dimensions
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm	6.46 x 2.98 x 0.35 inches 164 x 75.8 x 8.9 mm
Weight
6.77 oz (192.0 g)	7.23 oz (205.0 g)
Materials
	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White, Blue, Red	Black, White, Blue, Red

Display

Size
6.5-inch, 82.94% screen-to-body	6.5-inch, 85.80% screen-to-body
Type
TFT	LCD
Resolution
1600x720px, 20:9 ratio, 270 PPI	1600x720px, 20:9 ratio, 270 PPI

Hardware

System chip
Samsung Exynos 850	Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core 8x2.0GHz Cortex-A55	Octa-core 4x2.3GHz Cortex-A53 4x1.8GHz Cortex-A53
GPU
Mali-G76	PowerVR GE8320
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB	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
5000 mAh, Li - Polymer	5000 mAh, Li - Polymer
Charging
Fast charging	Samsung Adaptive Fast Charging
Charge speed
	Wired: 15.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 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, Proximity sensor	Accelerometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, 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

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20, 28	1, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 5, 8	1, 5, 8
Data Speed
LTE-A, 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
Yes	No
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Mar 11, 2021 FCC ID value: A3LSMA125U
Measured SAR
	Head: 1.14 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg

Alternative variants

with 4GB RAM


Memory	4GB/64GB

With 32GB storage


Memory	3GB/32GB

with 6GB RAM


Memory	6GB/64GB

With 128GB storage


Memory	6GB/128GB

Links

Full specifications
Samsung Galaxy A21s Specs	Samsung Galaxy A12 Specs
PhoneArena Review
Samsung Galaxy A21s Review