Samsung Galaxy A6 vs Samsung Galaxy A51 5G vs Samsung Galaxy S20

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.6 inches
6.5 inches
6.2 inches

Resolution:

1480 x 720 pixels, 18.5:9 ratio, 294 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
3200 x 1440 pixels, 20:9 ratio, 566 PPI

Technology:

Super AMOLED
Super AMOLED
Dynamic AMOLED

Screen-to-body:

74.94 %
87.37 %
88.59 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
120Hz refresh rate (@1080p), HDR video support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7 Octa 7884
Samsung Exynos 980
Qualcomm Snapdragon 865 SM8250

Processor:

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm

GPU:

Mali-T830 MP1
Mali-G76 MP5
Adreno 650

RAM:

3GB LPDDR3
6GB LPDDR4
12GB LPDDR5

Internal storage:

32GB, available to use: 22.1 GB
128GB, available to use: 105.3 GB
128GB (UFS 3.0)

Storage expansion:

microSDXC up to 400 GB
microSDXC up to 1000 GB
microSDXC up to 1000 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 8.0 Oreo), Samsung One UI
Android (10), Samsung One UI
Android (11, 10), Samsung One UI

Battery

Capacity:

3000 mAh
4500 mAh
4000 mAh

Type:

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Fast charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Single camera
Quad camera
Triple camera

Main camera:

16 MP (PDAF, CMOS image sensor)
48 MP (PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 1.8 μm

Second camera:

12 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.0; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

5 MP (Macro)
12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.4 μm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Video calling, Video sharing
Hyperlapse, EIS
OIS, HDR, EIS

Front:

16 MP (Flash)
32 MP (HDR)
10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

5.90 x 2.79 x 0.30 inches (149.9 x 70.8 x 7.7 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
5.97 x 2.72 x 0.31 inches (151.7 x 69.1 x 7.9 mm)

Weight:

5.71 oz (162.0 g)
6.60 oz (187.0 g)
5.78 oz (163.0 g)

Materials:

Back: Metal
Back: Plastic; Frame: Plastic
Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Gold, Lavender, Blue
Prism cube black
Cloud blue, Cosmic grey, Cloud pink, Cosmic white

Cellular

5G:

n41, n71, SA, NSA
n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS)
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)
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)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

850, 1900, 2100 MHz
850, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Cat 6 (300/50 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
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Dolby Atmos, Album art cover, Background playback
Dolby Atmos
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM, Recording option
FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1

Features:

Charging, Mass storage device
Charging, OTG
Charging, Headphones port, OTG

Location:

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC, ANT+

Hearing aid compatible:

M3, T3
M3, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Aug 01, 2018
Jul 15, 2020
Jan 24, 2020

FCC ID value:

A3LSMA600A link
A3LSMA516U link
A3LSMG981U link

Measured SAR:

Head:

0.36 W/kg
1.18 W/kg
1.07 W/kg

Body:

1.40 W/kg
1.20 W/kg
1.03 W/kg

Simultaneous Transmission:

1.57 W/kg
3.25 W/kg
1.59 W/kg

Wireless Router:

1.40 W/kg
1.37 W/kg
1.25 W/kg

Phablet:

3.99 W/kg

Buyers information

Price:

$ 360
$ 500
$ 1000

User Manual:

This is the official Samsu​ng Galaxy A51 5G User Guide in English provided from the manufacturer.
This is the official Samsu​ng Galaxy S20 User Guide in English provided from the manufacturer.

In The Box:

Charger, microUSB cable, Headset and Documentation
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions

Availability

Officially announced:

May 02, 2018
Apr 08, 2020
Feb 11, 2020
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