Samsung Galaxy A21s vs Samsung Galaxy A12 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

7.5
Samsung Galaxy A21s	Samsung Galaxy A12
Released · Jun 19, 2020	Released · Dec 21, 2020
6.5-inch · 1600 x 720 px	6.5-inch · 1600 x 720 px
48 MP Main · 13 MP Selfie	48 MP Main · 8 MP Selfie
3GB · 32GB	4GB · 64GB
5000 mAh	5000 mAh
Check prices	Check prices

Display

Size
6.5-inch	6.5-inch
Resolution
1600 x 720 px, 20:9 ratio, 270 PPI	1600 x 720 px, 20:9 ratio, 270 PPI
Technology
TFT	LCD
Screen-to-body
82.94 %	85.80 %
Features
Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 850	Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core, 8x 2.0GHz Cortex-A55, 64-bit	Octa-core, 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53, 64-bit
GPU
Mali-G76	PowerVR GE8320
RAM
3GB (LPDDR4)	4GB (LPDDR4)
Internal storage
32GB (eMMC 5.1), available to use: 19.5 GB	64GB (eMMC 5.1), available to use: 48.2 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1024 GB
OS
Android (10), Samsung One UI	Android (10), Samsung One UI UI
Device type
Smartphone	Smartphone

Battery

Capacity
5000 mAh	5000 mAh
Type
Li - Polymer, Not user replaceable	Li - Polymer, Not user replaceable
Battery life test results
link
Charging
Fast charging	Samsung Adaptive Fast Charging
Max 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) Specifications: Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (Autofocus) Specifications: Aperture size: F2.0 Focal length: 26 mm
Second camera
8 MP (Ultra-wide) Specifications: Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	5 MP (Ultra-wide) Specifications: Aperture size: F2.2
Third camera
2 MP (Macro) Specifications: Aperture size: F2.4	2 MP (Macro) Specifications: Aperture size: F2.4
Fourth camera
2 MP (Depth information) Specifications: Aperture size: F2.4	2 MP (Depth information) Specifications: Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	1920x1080 (Full HD) (30 fps)
Front
13 MP, Video capture: 1920x1080 (Full HD)	8 MP

N/A

Overall

N/A

Photo

N/A

Video

N/A

Overall

N/A

Photo

N/A

Video

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

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)	Bands 1(2100), 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 1(2100), 2(1900), 5(850), 8(900)	Bands 1(2100), 5(850), 8(900)
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

Multimedia

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

Connectivity & Features

Bluetooth
5.0	5.0
Wi-Fi
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 b,g,n Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0, Features: Charging	Type-C (reversible), USB 2.0, Features: Charging, Mass storage device
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope	Accelerometer
Other
NFC	NFC

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

Buyers information

Price
€ 240	€ 179
User Manual
This is the official Samsung Galaxy A21s User Guide in English provided from the manufacturer.	This is the official Samsung Galaxy A12 User Guide in English provided from the manufacturer.
In The Box
	Power brick, USB cable, Headphones, Sim card extraction tool

Availability

Officially announced
May 15, 2020	Nov 24, 2020

Links

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