Samsung Galaxy M21 vs Samsung Galaxy M20 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 M20
Released · Mar 23, 2020
Released · Feb 05, 2019
6.4-inch · 2340x1080px
6.3-inch · 2340x1080px
Triple camera
Dual camera
4GB · 64GB
4GB · 64GB
6000 mAh
5000 mAh

Availability

Officially announced
Mar 18, 2020 Jan 28, 2019

Design

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

Display

Size
6.4-inch, 84.11% screen-to-body 6.3-inch, 83.67% screen-to-body
Type
Super AMOLED, 420 nits IPS LCD
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2340x1080px, 19.5:9 ratio, 409 PPI
Protection
Corning Gorilla Glass 3
Features
Scratch-resistant glass, Proximity sensor

Hardware

System chip
Exynos 9611 (10 nm) Samsung Exynos 7 Octa 7904 (14 nm)
Processor
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53
GPU
Mali-G72 MP3 Mali-G71 MP2
Memory
4GB (LPDDR4)/64GB
6GB/128GB
4GB (LPDDR4)/64GB
3GB/32GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (11, 10) Android (10, 9.0 Pie, 8.1 Oreo)

Battery

Type
6000 mAh, Li - Polymer 5000 mAh, Li - Polymer
Charging
Fast charging Samsung Adaptive Fast Charging

Camera

Rear
Triple camera Dual camera
Main camera
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
13 MP (PDAF)
Aperture size: F1.9
Sensor size: 1/3.1"
Pixel size: 1.12 μm
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
Focal Length: 12 mm
Third camera
5 MP (Depth information)
Aperture size: F2.2
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, Gyroscope, Compass, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

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

Cellular

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

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

Alternative variants

with 128GB storage
Memory 6GB/128GB
with 32 GB storage
Memory 3GB/32GB
FCC OKs Cingular\'s purchase of AT&T Wireless