Samsung Galaxy M21 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.


Samsung Galaxy M21	Samsung Galaxy A12
Released · Mar 23, 2020	Released · Dec 21, 2020
6.4-inch · 2340x1080px	6.5-inch · 1600x720px
Triple camera	Quad camera
4GB · 64GB	4GB · 64GB
6000 mAh	5000 mAh
	Check prices

Availability

Officially announced
Mar 18, 2020	Nov 24, 2020
Prices (MSRP)
	€179

Design

Dimensions
6.26 x 2.96 x 0.35 inches 159.0 x 75.1 x 8.9 mm	6.46 x 2.98 x 0.35 inches 164 x 75.8 x 8.9 mm
Weight
6.63 oz / 188.0 g	7.23 oz / 205.0 g
Materials
Back: Plastic Frame: Plastic	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
Midnight blue, Raven black	Black, White, Blue, Red

Display

Size
6.4-inch, 84.11% screen-to-body	6.5-inch, 85.80% screen-to-body
Type
Super AMOLED, 420 nits	LCD
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	1600x720px, 20:9 ratio, 270 PPI
Protection
Corning Gorilla Glass 3
Features
Scratch-resistant glass, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	4.2 (Poor)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Exynos 9611 (10 nm)	Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core 4x2.3GHz Cortex-A73 4x1.7GHz Cortex-A53	Octa-core 4x2.3GHz Cortex-A53 4x1.8GHz Cortex-A53
GPU
Mali-G72 MP3	PowerVR GE8320
Memory
4GB (LPDDR4)/64GB 6GB/128GB	4GB (LPDDR4)/64GB (eMMC 5.1) 3GB/32GB 6GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1024 GB
OS
Android (11, 10)	Android (10)

Battery

Type
6000 mAh, Li - Polymer	5000 mAh, Li - Polymer
Charging
Fast charging	Samsung Adaptive Fast Charging
Charge speed
	Wired: 15.0W

Camera

Rear
Triple 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 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm	5 MP (Ultra-wide) Aperture size: F2.2
Third camera
5 MP (Depth information) Aperture size: F2.2	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p, 720p (240 fps) EIS	1080p (30 fps)
Front
20 MP (HDR) 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

Discover more

Full Specs
Samsung Galaxy M21 Specs

Full Specs
Samsung Galaxy A12 Specs

Multimedia

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

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20	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 128GB storage


Memory	6GB/128GB

With 32GB storage


Memory	3GB/32GB

With 128GB storage


Memory	6GB/128GB