Samsung Galaxy A20 vs Samsung Galaxy M51 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 A20 Samsung Galaxy M51
Released · Apr 10, 2019
Released · Sep 11, 2020
6.4-inch · 1560x720px
6.7-inch · 2340x1080px
Dual camera
Quad camera
3GB · 32GB
6GB · 128GB
4000 mAh
7000 mAh
Check prices

Design

Dimensions
6.24 x 2.94 x 0.31 inches
158.4 x 74.7 x 7.8 mm
6.45 x 3.00 x 0.37 inches
163.9 x 76.3 x 9.5 mm
Weight
5.96 oz (169.0 g) 7.51 oz (213.0 g)
Materials
Back: 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
Black,Deep blue, Red Black, White

Display

Size
6.4-inch 6.7-inch
Resolution
1560x720px, 19.5:9 ratio, 268 PPI 2340x1080px, 20:9 ratio, 385 PPI
Technology
Super AMOLED Super AMOLED Plus
Refresh rate
60Hz
Screen-to-body
84.95 % 88.27 %
Features
Ambient light sensor, Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7884 (14 nm) Qualcomm Snapdragon 730 SM7150-AA (8 nm)
Processor
Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53
Octa-core
2x 2.2GHz Kryo 470 + 6x 1.8GHz Kryo 470
GPU
Mali-G71 MP2 Adreno 618
RAM
3GB (LPDDR4) 6GB (LPDDR4)
Internal storage
32GB, available to use: 20.3 GB 128GB, available to use: 106 GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie), Samsung One UI Android (10), Samsung One UI

Battery

Capacity
4000 mAh 7000 mAh
Charging
Samsung Adaptive Fast Charging Fast charging, Reverse wired charging
Charge speed
Wired: 25.0W

Camera

Rear
Dual camera Quad camera
Main camera
13 MP (Autofocus)
Aperture size: F1.9
Focal length: 27 mm
Sensor size: 1/3.1"
Pixel size: 1.12 μm
64 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
12 MP (Ultra-wide)
Aperture size: F2.2
Third camera
5 MP (Macro)
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps) 3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)
Front
8 MP 32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

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

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 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, UMTS
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Jun 19, 2019
FCC ID value: A3LSMA205U
Measured SAR
Head: 1.09 W/kg
Body: 0.60 W/kg
Simultaneous Transmission: 1.37 W/kg
Wireless Router: 1.00 W/kg
Phablet: 3.94 W/kg

Buyers information

MSRP
$ 250 € 360

Availability

Officially announced
Aug 31, 2020

Alternative variants

for T-Mobile and Metro
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
for Verizon, Sprint, Virgin Mobile and Boost Mobile
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 71(600)
4G (TDD) Bands 41(2600+)
3G Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
for US Cellular
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 66(AWS-3), 71(600)
3G Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
FCC OKs Cingular\'s purchase of AT&T Wireless