OnePlus 8 Pro vs Samsung Galaxy A21 vs Samsung Galaxy A20

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

Comparison mode:

Display

Size:

6.8 inches
6.5 inches
6.4 inches

Resolution:

3168 x 1440 pixels, 19.8:9 ratio, 513 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
1560 x 720 pixels, 19.5:9 ratio, 268 PPI

Technology:

AMOLED
IPS LCD
Super AMOLED

Screen-to-body:

90.79 %
79.20 %
84.95 %

Peak brightness:

1300 cd/m2 (nit)

Features:

120Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 865 SM8250
Mediatek Helio P35
Samsung Exynos 7884

Processor:

Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU:

Adreno 650
PowerVR GE8320
Mali-G71 MP2

RAM:

8GB LPDDR5
3GB LPDDR4
3GB LPDDR4

Internal storage:

128GB (UFS 3.0), not expandable
32GB (eMMC 5.1), available to use: 19.8 GB
32GB, available to use: 20.3 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11, 10), Oxygen OS UI
Android (10), Samsung One UI
Android (11, 10, 9.0 Pie), Samsung One UI

Battery

Capacity:

4510 mAh
4000 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

OnePlus Warp Charge, Qi wireless charging, Reverse wireless charging
Fast charging
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 30.0W; Wireless: 30.0W
Wired: 15.0W

Camera

Rear:

Quad camera
Quad camera
Dual camera

Main camera:

48 MP (OIS, Laser and PDAF)
16 MP (PDAF)
13 MP (Autofocus)

Specifications:

Aperture size: F1.8; Focal length: 25 mm; Sensor size: 1/1.4"; Pixel size: 1.12 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm

Second camera:

8 MP (Telephoto, OIS, Laser and PDAF)
8 MP (Ultra-wide)
5 MP (Ultra-wide)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Sensor size: 1/2"; Pixel size: 1 μm
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Third camera:

48 MP (Ultra-wide, PDAF)
2 MP (Macro)

Specifications:

Aperture size: F2.2; Focal Length: 14 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.4

Fourth camera:

5 MP (Color filter)
2 MP (Depth information)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features:

OIS, HDR, EIS

Front:

16 MP (EIS, HDR)
13 MP
8 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.51 x 2.93 x 0.33 inches (165.3 x 74.3 x 8.5 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight:

7.02 oz (199.0 g)
6.81 oz (193.0 g)
5.96 oz (169.0 g)

Materials:

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

Biometrics:

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

Keys:

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

Colors:

Glacial green
Black
Black,Deep blue, Red

Cellular

5G:

n2, n5, n41, n66, n71, SA, NSA

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), 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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)

LTE (TDD):

Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 5(850), 8(900)

Data Speed:

LTE-A Pro Cat 18 (1200/150 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 Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Atmos, aptX-HD
Dolby Atmos

Screen mirroring:

DLNA, Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.1
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
Charging

Location:

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

Sensors:

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

Other:

NFC
NFC

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Oct 12, 2020
Apr 17, 2020
Jun 19, 2019

FCC ID value:

2ABZ2-EE007
ZCASMA215U
A3LSMA205U

Measured SAR:

Head:

0.93 W/kg
0.42 W/kg
1.09 W/kg

Body:

0.89 W/kg
1.27 W/kg
0.60 W/kg

Simultaneous Transmission:

1.59 W/kg
1.27 W/kg
1.37 W/kg

Wireless Router:

0.95 W/kg
1.27 W/kg
1.00 W/kg

Phablet:

3.94 W/kg

Buyers information

Price:

$ 899
$ 250
$ 250

User Manual:

This is the official OnePl​us 8 Pro User Guide in English provided from the manufacturer.

In The Box:

Warp Charge 30 Power Adapter, Warp Type-C Cable (Support USB 2.0), Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, LOGO Sticker, Case, Screen Protector, SIM Tray Ejector
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Apr 14, 2020
Apr 08, 2020
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