Samsung Galaxy M20 vs Samsung Galaxy M21 Specs Comparison

Display

Size
6.3-inch	6.4-inch
Resolution
2340 x 1080 px, 19.5:9 ratio, 409 PPI	2340 x 1080 px, 19.5:9 ratio, 403 PPI
Technology
IPS LCD	Super AMOLED
Screen-to-body
83.67 %	84.11 %
Peak brightness
	420 cd/m2 (nit)
Features
Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7904 (14 nm)	Exynos 9611 (10 nm)
Processor
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit	Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU
Mali-G71 MP2	Mali-G72 MP3
RAM
4GB (LPDDR4)	4GB (LPDDR4)
Internal storage
64GB, available to use: 50.5 GB	64GB, available to use: 49 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10, 9.0 Pie, 8.1 Oreo), Samsung One UI	Android (11, 10), Samsung One UI
Device type
Smartphone	Smartphone

Battery

Capacity
5000 mAh	6000 mAh
Type
Li - Polymer, Not user replaceable	Li - Polymer, Not user replaceable
Charging
Samsung Adaptive Fast Charging	Fast charging

Camera

Rear
Dual camera	Triple camera
Main camera
13 MP (PDAF) Specifications: Aperture size: F1.9 Sensor size: 1/3.1" Pixel size: 1.12 μm	48 MP (PDAF) Specifications: Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 12 mm	8 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Depth information) Specifications: Aperture size: F2.2
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps) Features: EIS
Front
8 MP (HDR), Video capture: 1920x1080 (Full HD)	20 MP (HDR), Video capture: 1920x1080 (Full HD)

Design

Dimensions
6.16 x 2.93 x 0.35 inches (156.4 x 74.5 x 8.8 mm)	6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)
Weight
6.56 oz(186.0 g)	6.63 oz(188.0 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
Ocean blue, Charcoal black	Midnight blue, Raven black

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)	Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
VoLTE
Yes

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM, RDS, Recording option	FM
Additional microphone(s)
Noise cancellation

Connectivity & Features

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

Regulatory Approval

FCC approval
Date approved: Jan 20, 2019 FCC ID value: A3LSMM205FN
Measured SAR
Head: 0.18 W/kg Body: 0.54 W/kg Simultaneous Transmission: 1.29 W/kg Wireless Router: 1.13 W/kg

Buyers information

In The Box
	This is the official Samsu​ng Galaxy M21 User Guide in English provided from the manufacturer.

Availability

Officially announced
Jan 28, 2019	Mar 18, 2020

Alternative variants

with 32 GB storage

RAM	3GB
Internal storage	32GB, available to use: 21.8 GB

with 128GB storage

RAM	6GB
Internal storage	128GB

Links

Full specifications
Samsung Galaxy M20 Specs	Samsung Galaxy M21 Specs