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

Availability

Officially announced
Jan 28, 2019 Mar 18, 2020

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

Display

Size
6.3-inch, 83.67% screen-to-body 6.4-inch, 84.11% screen-to-body
Type
IPS LCD Super AMOLED, 420 nits
Resolution
2340x1080px, 19.5:9 ratio, 409 PPI 2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 3
Features
Scratch-resistant glass, 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
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
GPU
Mali-G71 MP2 Mali-G72 MP3
Memory
4GB (LPDDR4)/64GB
3GB/32GB
4GB (LPDDR4)/64GB
6GB/128GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (10, 9.0 Pie, 8.1 Oreo) Android (11, 10)

Battery

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

Camera

Rear
Dual camera Triple camera
Main camera
13 MP (PDAF)
Aperture size: F1.9
Sensor size: 1/3.1"
Pixel size: 1.12 μm
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Depth information)
Aperture size: F2.2
Flash
LED LED
Video recording
1080p (30 fps) 4K UHD (30 fps), 1080p, 720p (240 fps)
EIS
Front
8 MP (HDR)
Video capture: 1080p
20 MP (HDR)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Proximity sensor Accelerometer, Gyroscope, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC

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

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
5, 8, 2, 1 1, 2, 5, 8
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

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 32 GB storage
Memory 3GB/32GB
with 128GB storage
Memory 6GB/128GB
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