OnePlus 8 vs Samsung Galaxy S21 Specs Comparison

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

Display

Size:

6.5 inches
6.2 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 402 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

AMOLED
Dynamic AMOLED

Refresh rate:

90Hz
120Hz (adaptive)

Screen-to-body:

88.65 %
86.06 %

Peak brightness:

1100 cd/m2 (nit)
1300 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 865 SM8250 (7 nm)
Qualcomm Snapdragon 888 (5 nm)

Processor:

Octa-core, 2840 MHz, Kryo 585, 64-bit
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit

GPU:

Adreno 650
Adreno 660

RAM:

8GB LPDDR4
8GB LPDDR5

Internal storage:

128GB (UFS 3.0), not expandable
128GB (UFS 3.0), not expandable

Device type:

Smartphone
Smartphone

OS:

Android (11, 10)
Android (13, 12, 11), Samsung One UI

Battery

Capacity:

4300 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

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

Max charge speed:

Wired: 30.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Triple camera
Triple camera

Main camera:

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

Specifications:

Aperture size: F1.8; Focal length: 25 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

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

Specifications:

Aperture size: F2.2; Focal Length: 14 mm
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

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

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Flash:

Dual LED
LED

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 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:

OIS, HDR, Time-lapse video, EIS
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

16 MP (EIS, HDR)
10 MP (PDAF, HDR)

Video capture:

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

Design

Dimensions:

6.31 x 2.87 x 0.31 inches (160.2 x 72.9 x 8 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

6.35 oz (180.0 g)
6.03 oz (171.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

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

Colors:

Glacial green
Phantom pink, Violet, Gray, White

Cellular

5G:

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

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), 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), 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)

4G (TDD):

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

3G:

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)

Data Speed:

LTE-A Pro Cat 18 (1200/150 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, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

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

Screen mirroring:

DLNA, Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.1
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, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging, Headphones port, OTG
Charging, Headphones port, OTG, Video out

Location:

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

Sensors:

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

Other:

NFC
NFC, ANT+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jan 24, 2021
Dec 08, 2020

FCC ID value:

2ABZ2-EE103
A3LSMG991U

Measured SAR:

Head:

1.01 W/kg
0.36 W/kg

Body:

0.78 W/kg
1.08 W/kg

Simultaneous Transmission:

1.59 W/kg
3.96 W/kg

Wireless Router:

0.92 W/kg
1.09 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 699
$ 800

User Manual:

This is the official OnePl​us 8 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, Screen Protector, SIM Tray Ejector
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Apr 14, 2020
Jan 14, 2021
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