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Samsung Galaxy M21 vs Samsung Galaxy M12 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.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy M21
Samsung Galaxy M12
Samsung Galaxy M21 Samsung Galaxy M12
Released · Mar 23, 2020
Released · Mar 18, 2021
6.4-inch · 2340x1080px
6.5-inch · 1600x720px
Triple camera
Quad camera
4GB · 64GB
4GB · 64GB
6000 mAh
5000 mAh

Availability

Officially announced
Mar 18, 2020 Mar 11, 2021

Design

Dimensions
6.26 x 2.96 x 0.35 inches
159.0 x 75.1 x 8.9 mm 		6.46 x 2.99 x 0.38 inches
164.0 x 75.9 x 9.7 mm
Weight
6.63 oz / 188.0 g 7.80 oz / 221.0 g
Materials
Back: Plastic
Frame: Plastic 		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
Midnight blue, Raven black Black, white, blue

Display

Size
6.4-inch, 84.11% screen-to-body 6.5-inch, 81.86% screen-to-body
Type
Super AMOLED, 420 nits PLS, 90Hz
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

Hardware

System chip
Exynos 9611 (10 nm) Samsung Exynos 850 S5E3830 (8 nm)
Processor
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53 		Octa-core
8x2.0GHz Cortex-A55
GPU
Mali-G72 MP3 Mali-G52 MP1
Memory
4GB (LPDDR4)/64GB
6GB/128GB 		4GB (LPDDR4)/64GB (eMMC 5.1)
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 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
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 (HDR)
Video capture: 1080p

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, BeiDou, Cell ID, Wi-Fi positioning

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
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66
4G (TDD) Bands
38, 40, 41 38, 40, 41
3G Bands
1, 2, 5, 8 1, 2, 4, 5, 8
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

Alternative variants

with 128GB storage
Memory 6GB/128GB
with 6GB RAM and 128GB storage
Memory 6GB/128GB
FCC OKs Cingular\'s purchase of AT&T Wireless