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Samsung Galaxy S20 vs Samsung Galaxy A51 5G 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
9.1
Samsung Galaxy S20
Samsung Galaxy A51 5G
Samsung Galaxy S20 Samsung Galaxy A51 5G
Released · Mar 06, 2020
Released · Apr 29, 2020
6.2-inch
6.5-inch
Triple camera
Quad camera
12GB · 128GB
6GB · 128GB
4000 mAh
4500 mAh
Check prices Check prices

Design

Dimensions
5.97 x 2.72 x 0.31 inches
151.7 x 69.1 x 7.9 mm 		6.26 x 2.90 x 0.34 inches
158.9 x 73.6 x 8.7 mm
Weight
5.78 oz (163.0 g) 6.60 oz (187.0 g)
Materials
Back: Glass (Corning Gorilla Glass 6)
Frame: Aluminum 		Back: Plastic
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint 2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Cloud blue, Cosmic grey, Cloud pink, Cosmic white Prism cube black

Display

Size
6.2-inch 6.5-inch
Resolution
3200x1440px, 20:9 ratio, 566 PPI 2400x1080px, 20:9 ratio, 405 PPI
Technology
Dynamic AMOLED Super AMOLED
Refresh rate
120Hz (@1080p) 60Hz
Screen-to-body
88.59 % 87.37 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 865 SM8250 (7 nm) Samsung Exynos 980 (8 nm)
Processor
Octa-core
1x 2.84GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585 		Octa-core
2x 2.2GHz Cortex-A77 + 6x 1.8GHz Cortex-A55
GPU
Adreno 650 Mali-G76 MP5
RAM
12GB (LPDDR5) 6GB (LPDDR4)
Internal storage
128GB (UFS 3.0) 128GB, available to use: 105.3 GB
Storage expansion
microSDXC up to 1000 GB microSDXC up to 1000 GB
OS
Android (13, 12, 11, 10), Samsung One UI Android (11, 10), Samsung One UI

Battery

Capacity
4000 mAh 4500 mAh
Type
Li - Polymer Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging Fast charging
Charge speed
Wired: 25.0W
Wireless: 15.0W 		Wired: 25.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 20min
Browsing
7h 45min
Video
10h 20min
Gaming
7h 43min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera Quad camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 1.8 μm 		48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.4 μm 		12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
Third camera
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Sensor size: 1/1.7"
Pixel size: 0.8 μm 		5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
OIS, HDR, EIS 		3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
Hyperlapse, EIS
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band
MIMO, Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1 Type-C, USB 2.0
Hearing aid compatible
M3/T3 M3/T3
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), Barometer Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, ANT+ NFC, ANT+

Multimedia

Headphones
No 3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

5G
Bands n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6 Bands n41, n71, SA, NSA
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 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+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Jan 24, 2020
FCC ID value: A3LSMG981U 		Date approved: Jul 15, 2020
FCC ID value: A3LSMA516U
Measured SAR
Head: 1.07 W/kg
Body: 1.03 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.25 W/kg
Phablet: 3.99 W/kg 		Head: 1.18 W/kg
Body: 1.20 W/kg
Simultaneous Transmission: 3.25 W/kg
Wireless Router: 1.37 W/kg

Buyers information

MSRP
$ 1000 $ 500
In The Box
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions

Availability

Officially announced
Feb 11, 2020 Apr 08, 2020

Alternative variants

Global variant
System chip Samsung Exynos 990 (7 nm)
Processor Octa-core
2700 MHz
2x 2.73GHz Exynos M5 + 2x 2.5GHz Cortex-A75 + 4x 2.0GHz Cortex-A55
GPU Mali G77 MP11
with 8GB RAM
RAM 8GB
non 5G variant
RAM 8GB
FCC approval Date approved: Jan 28, 2020
FCC ID value: A3LSMG980F
Measured SAR Head: 0.37 W/kg
Body: 1.01 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 2.67 W/kg
for Europe
Colors Prism cube black, Prism cube white
5G Bands n41, n78, SA, NSA
4G (FDD) Bands 1(2100), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 20(800 DD), 28(700 APT)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
Dual SIM Yes
SIM type Nano SIM
for Verizon
Storage expansion not expandable
5G Bands n260, n261, mmWave
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD) Bands 34(2000), 39(1900+), 46, 48(3600)
Hearing aid compatible M4/T3
for Verizon
System chip Qualcomm Snapdragon 765G SM7250-AB (7 nm)
Processor Octa-core
2400 MHz
Kryo 475
GPU Adreno 620
Colors Prism bricks blue
5G Bands n260, n261, mmWave
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
FCC approval Date approved: Jul 20, 2020
FCC ID value: A3LSMA516V
Measured SAR Head: 0.32 W/kg
Body: 1.32 W/kg
Simultaneous Transmission: 3.01 W/kg
Wireless Router: 1.37 W/kg
Phablet: 3.91 W/kg
MSRP $ 550
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