Samsung Galaxy A21s vs Samsung Galaxy M12 Specs Comparison

Design

Dimensions
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm	6.46 x 2.99 x 0.38 inches 164.0 x 75.9 x 9.7 mm
Weight
6.77 oz (192.0 g)	7.80 oz (221.0 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
Black, White, Blue, Red	Black, white, blue

Display

Size
6.5-inch	6.5-inch
Resolution
1600x720px, 20:9 ratio, 270 PPI	1600x720px, 20:9 ratio, 270 PPI
Technology
TFT	PLS
Refresh rate
	90Hz
Screen-to-body
82.94 %	81.86 %
Features
Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 850	Samsung Exynos 850 S5E3830 (8 nm)
Processor
Octa-core 8x 2.0GHz Cortex-A55	Octa-core 8x 2.0GHz Cortex-A55
GPU
Mali-G76	Mali-G52 MP1
RAM
3GB (LPDDR4)	4GB (LPDDR4)
Internal storage
32GB (eMMC 5.1), available to use: 19.5 GB	64GB (eMMC 5.1), available to use: 19.5 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1024 GB
OS
Android (10), Samsung One UI	Android (10)

Battery

Capacity
5000 mAh	5000 mAh
Type
Li - Polymer	Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
	Wired: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

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
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
1920x1080 (Full HD) (30 fps)	1920x1080 (Full HD) (30 fps)
Front
13 MP, Video capture: 1920x1080 (Full HD)	8 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
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, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope	Accelerometer
Other
NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Screen mirroring
Wireless screen share	Wireless screen share,MirrorLink
Additional microphone(s)
	Noise cancellation

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), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
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), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 7 (300/100 Mbit/s), LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Mar 22, 2021 FCC ID value: A3LSMM127G
Measured SAR
	Head: 1.15 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.51 W/kg Wireless Router: 1.25 W/kg

Buyers information

MSRP
€ 240

Availability

Officially announced
May 15, 2020	Mar 11, 2021

Alternative variants

with 4GB RAM

RAM	4GB
Internal storage	64GB

with 6GB RAM and 128GB storage

RAM	6GB
Internal storage	128GB

with 6GB RAM

RAM	6GB
Internal storage	64GB

Links

Full specifications
Samsung Galaxy A21s Specs	Samsung Galaxy M12 Specs
PhoneArena Review
Samsung Galaxy A21s Review