Samsung Galaxy S21 Ultra vs OnePlus 8 Specs Comparison

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

Display

Size:

6.8 inches

6.5 inches

Resolution:

3200 x 1440 pixels, 20:9 ratio, 516 PPI

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

Technology:

Dynamic AMOLED

AMOLED

Refresh rate:

120Hz (adaptable)

90Hz

Screen-to-body:

89.33 %

88.65 %

Peak brightness:

1500 cd/m2 (nit)

1100 cd/m2 (nit)

Features:

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

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

Hardware

System chip:

Qualcomm Snapdragon 888 SM8350 (5 nm)

Qualcomm Snapdragon 865 SM8250 (7 nm)

Processor:

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

Octa-core, 2840 MHz, Kryo 585, 64-bit

GPU:

Adreno 660

Adreno 650

RAM:

12GB LPDDR5

8GB LPDDR4

Internal storage:

128GB (UFS 3.1), not expandable

128GB (UFS 3.0), not expandable

Device type:

Smartphone

OS:

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

Android (11, 10)

Battery

Capacity:

5000 mAh

4300 mAh

Type:

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

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

OnePlus Warp Charge

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Wired: 30.0W

Camera

Rear:

Quad camera

Triple camera

Main camera:

108 MP (OIS, Laser and PDAF)

48 MP (OIS, PDAF)

Specifications:

F1.8; 24 mm; 1/1.33"; 0.8 μm

F1.8; 25 mm; 1/2"; 0.8 μm

Second camera:

10 MP (Telephoto, OIS, PDAF)

16 MP (Ultra-wide, PDAF)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Aperture size: F2.2; Focal Length: 14 mm

Third camera:

12 MP (Ultra-wide, PDAF)

2 MP (Macro)

Specifications:

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

Aperture size: F2.4; Pixel size: 1.75 μm

Fourth camera:

10 MP (Periscope, OIS, PDAF)

Specifications:

Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Flash:

LED

Dual LED

Video recording:

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

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

Features:

OIS, HDR, Hyperlapse, Video light, EIS

OIS, HDR, Time-lapse video, EIS

Front:

40 MP (PDAF, HDR)

16 MP (EIS, HDR)

Video capture:

3840x2160 (4K UHD) (60 fps)

1920x1080 (Full HD)

Design

Dimensions:

6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)

6.31 x 2.87 x 0.31 inches (160.2 x 72.9 x 8 mm)

Weight:

8.04 oz (229.0 g)

6.35 oz (180.0 g)

Materials:

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

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

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint

2D Face unlock, In-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key

Left: Volume control; Right: Lock/Unlock key

Colors:

Phantom black, Silver

Glacial green

Cellular

5G:

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

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

4G (FDD):

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)

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)

4G (TDD):

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

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

3G:

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

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

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

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

Dual SIM:

Yes

SIM type:

Nano SIM

Multimedia

Headphones:

No 3.5mm jack

Speakers:

Earpiece, Multiple speakers

Features:

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

Dolby Atmos, aptX-HD

Screen mirroring:

Wireless screen share

DLNA, Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording

for Noise cancellation

Connectivity & Features

Bluetooth:

5.1

Wi-Fi:

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

USB:

Type-C (reversible), USB 3.2

Type-C (reversible), USB 3.1

Features:

Charging, Headphones port, OTG, Video out

Charging, Headphones port, OTG

Location:

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

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

Sensors:

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

Accelerometer, Gyroscope, Compass

Other:

NFC, ANT+

NFC

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Dec 22, 2020

Jan 24, 2021

FCC ID value:

A3LSMG998U

2ABZ2-EE103

Measured SAR:

Head:

0.77 W/kg

1.01 W/kg

Body:

1.02 W/kg

0.78 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.16 W/kg

0.92 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 1200

$ 699

User Manual:

This is the official OnePlus 8 User Guide in English provided from the manufacturer.

In The Box:

C to C Data Cable, Ejection Pin

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