Samsung Galaxy S8+ vs Samsung Galaxy A20 vs Samsung Galaxy S21+

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

Display

Size:

6.2 inches
6.4 inches
6.7 inches

Resolution:

2960 x 1440 pixels, 18.5:9 ratio, 529 PPI
1560 x 720 pixels, 19.5:9 ratio, 268 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI

Technology:

Super AMOLED
Super AMOLED
Dynamic AMOLED

Screen-to-body:

83.32 %
84.95 %
88.63 %

Peak brightness:

1300 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Proximity sensor
120Hz refresh rate (adaptive), HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 835 MSM8998
Samsung Exynos 7884
Qualcomm Snapdragon 888

Processor:

Octa-core, 2450 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 540
Mali-G71 MP2
Adreno 660

RAM:

4GB LPDDR4
3GB LPDDR4
8GB LPDDR5

Internal storage:

64GB
32GB, available to use: 20.3 GB
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (10, 9.0 Pie), Samsung One UI
Android (11), Samsung One UI

Battery

Capacity:

3500 mAh
4000 mAh
4800 mAh

Type:

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

Charging:

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

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Single camera
Dual camera
Triple camera

Main camera:

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

Specifications:

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

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

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F1.8; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
OIS, HDR, Hyperlapse, Video light, EIS

Front:

8 MP (Wide Angle, Autofocus, HDR)
8 MP
10 MP (PDAF, HDR)

Video capture:

2560x1440 (QHD) (30 fps)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.28 x 2.89 x 0.32 inches (159.5 x 73.4 x 8.1 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)
6.35 x 2.98 x 0.31 inches (161.5 x 75.6 x 7.8 mm)

Weight:

6.10 oz (173.0 g)
5.96 oz (169.0 g)
7.13 oz (202.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic
Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

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

Keys:

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

Colors:

Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink
Black,Deep blue, Red
Phantom silver, Black, Violet

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

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), 29(700 d), 30(2300 WCS), 66(AWS-3)
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), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

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

Data Speed:

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
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

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

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

Screen mirroring:

DLNA, Wireless screen share, MHL
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0, EDR
5.0
5.0

Wi-Fi:

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

USB:

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2

Features:

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

Location:

GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
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)
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC, ANT+

Hearing aid compatible:

M3, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Apr 06, 2017
Jun 19, 2019
Dec 18, 2020

FCC ID value:

A3LSMG955U link
A3LSMA205U link
A3LSMG996U link

Measured SAR:

Head:

0.33 W/kg
1.09 W/kg
0.65 W/kg

Body:

0.29 W/kg
0.60 W/kg
0.95 W/kg

Simultaneous Transmission:

1.55 W/kg
1.37 W/kg
1.59 W/kg

Wireless Router:

0.19 W/kg
1.00 W/kg
1.04 W/kg

Phablet:

3.94 W/kg
3.97 W/kg

Buyers information

Price:

$ 250
$ 1000

In The Box:

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Mar 29, 2017
Jan 14, 2021
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