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Samsung Galaxy S20 vs Samsung Galaxy A51 vs Samsung Galaxy A32

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

Comparison mode:

Display

Size:

6.2 inches
6.5 inches
6.5 inches

Resolution:

3200 x 1440 pixels, 20:9 ratio, 566 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Dynamic AMOLED
Super AMOLED
TFT

Refresh rate:

120Hz (@1080p)
60Hz
60Hz

Screen-to-body:

88.59 %
87.37 %
81.58 %

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
Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 865 SM8250
Samsung Exynos 9611
MediaTek Dimensity 720 MT6853

Processor:

Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2000 MHz, Cortex-A76 and Cortex-A55, 64-bit, 7 nm

GPU:

Adreno 650
Mali-G72 MP3
Mali-G57 MC3

RAM:

12GB LPDDR5
4GB LPDDR4
4GB LPDDR4

Internal storage:

128GB (UFS 3.0)
128GB, available to use: 105.9 GB
64GB (UFS 2.2)

Storage expansion:

microSDXC up to 1000 GB
microSDXC up to 512 GB
microSDXC up to 1024 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

4000 mAh
4000 mAh
5000 mAh

Type:

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

Battery life test results:

Charging:

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

Max charge speed:

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

Camera

Rear:

Triple camera
Quad camera
Quad camera

Main camera:

12 MP (OIS, PDAF)
48 MP (PDAF)
48 MP (Autofocus, PDAF)

Specifications:

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

Second camera:

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

Specifications:

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

Third camera:

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

Specifications:

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

Fourth camera:

5 MP (Depth information)
2 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.4

Video recording:

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

Features:

OIS, HDR, EIS
Hyperlapse, EIS

Front:

10 MP (PDAF, HDR)
32 MP (HDR)
13 MP

Video capture:

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

Design

Dimensions:

5.97 x 2.72 x 0.31 inches (151.7 x 69.1 x 7.9 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.46 x 3.00 x 0.36 inches (164.2 x 76.1 x 9.1 mm)

Weight:

5.78 oz (163.0 g)
6.07 oz (172.0 g)
7.23 oz (205.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

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

Keys:

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

Colors:

Cloud blue, Cosmic grey, Cloud pink, Cosmic white
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Awesome black, Awesome white, Awesome blue, Awesome violet

Cellular

5G:

n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6
n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n78, n79

LTE (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), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
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)

LTE (TDD):

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

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

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

Dual SIM:

Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Dolby Atmos
Dolby Atmos, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

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
802.11 a, b, g, n, ac; Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging, Headphones port, OTG
Charging, OTG
Charging

Location:

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

Sensors:

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

Other:

NFC, ANT+
NFC, ANT+
NFC

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jan 24, 2020
Nov 28, 2019
Mar 08, 2021

FCC ID value:

A3LSMG981U
A3LSMA515FN
A3LSMA326U

Measured SAR:

Head:

1.07 W/kg
0.89 W/kg
0.57 W/kg

Body:

1.03 W/kg
1.18 W/kg
1.17 W/kg

Simultaneous Transmission:

1.59 W/kg
1.56 W/kg
1.59 W/kg

Wireless Router:

1.25 W/kg
1.12 W/kg
1.02 W/kg

Phablet:

3.99 W/kg
2.76 W/kg

Buyers information

Price:

$ 1000
$ 400
€ 280

User Manual:

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

Availability

Officially announced:

Feb 11, 2020
Dec 12, 2019
Jan 13, 2021
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