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OnePlus 8T vs Samsung Galaxy S21 Ultra Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
9.0
OnePlus 8T
9.1
Samsung Galaxy S21 Ultra
OnePlus 8T Samsung Galaxy S21 Ultra
Released · Oct 23, 2020
Released · Jan 29, 2021
6.5-inch · 2400x1080px
6.8-inch · 3200x1440px
Quad camera
Quad camera
12GB · 256GB
12GB · 128GB
4500 mAh
5000 mAh
Check prices Check prices

Design

Dimensions
6.33 x 2.92 x 0.33 inches
160.7 x 74.1 x 8.4 mm 		6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)
165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
Weight
6.63 oz (188.0 g) 8.04 oz (229.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Optical 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
Aquamarine green, Lunar silver Phantom black, Silver

Display

Size
6.5-inch 6.8-inch
Resolution
2400x1080px, 20:9 ratio, 402 PPI 3200x1440px, 20:9 ratio, 516 PPI
Technology
AMOLED Dynamic AMOLED
Refresh rate
120Hz 120Hz (adaptable)
Screen-to-body
86.86 % 89.33 %
Peak brightness
1500 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass), 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-AB (7 nm) Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core
2840 MHz
Kryo 585 		Octa-core
1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 650 Adreno 660
RAM
12GB (LPDDR4) 12GB (LPDDR5)
Internal storage
256GB (UFS 3.1) 128GB (UFS 3.1)
Storage expansion
not expandable not expandable
OS
Android (11), Oxygen OS UI Android (14, 13, 12, 11), One UI

Battery

Capacity
4500 mAh 5000 mAh
Type
Li - Polymer
Charging
OnePlus Warp Charge Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 65.0W Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
10h 54min
Video
8h 48min
Gaming
Untested
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera Quad camera
Main camera
48 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm 		108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
Second camera
16 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/3.6"
Pixel size: 1 μm 		12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
5 MP (Macro)
Aperture size: F2.4 		10 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Fourth camera
2 MP (Black and White)
Aperture size: F2.4 		10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
Time-lapse video, EIS 		7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
Front
16 MP (EIS, HDR), Video capture: 1920x1080 (Full HD) 40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.1 5.1
WLAN
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, USB 3.1 Type-C, USB 3.2
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC NFC, ANT+

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
Wireless screen share Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation Noise cancellation, Video recording

Cellular

5G
Bands n1, n2, n3, n5, n25, n41, n66, n71, SA, NSA Bands 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 LTE-A Pro Cat 20 (2000/150 Mbit/s)
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Apr 13, 2021
FCC ID value: 2ABZ2-EF009 		Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Measured SAR
Head: 1.09 W/kg
Body: 0.73 W/kg
Simultaneous Transmission: 1.29 W/kg
Wireless Router: 1.04 W/kg 		Head: 0.77 W/kg
Body: 1.02 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.16 W/kg
Phablet: 3.15 W/kg

Buyers information

MSRP
$ 749 / € 699 $ 1200 / € 1399
In The Box
Warp Charge 65 Power Adapter, Warp Charge Type-C to Type-C Cable, Quick Start Guide, Welcome Letter, Safety Information, LOGO Sticker, Case (Excl. North America), Screen Protector (Pre-applied) (Excl. T-Mobile Version), SIM Tray Ejector C to C Data Cable, Ejection Pin

Availability

Officially announced
Oct 14, 2020 Jan 14, 2021

Alternative variants

with 128GB storage for Europe
RAM 8GB
Internal storage 128GB
MSRP € 600
with 256GB storage
Internal storage 256GB
Colors Phantom black
MSRP $ 1250
for Europe
5G Bands n1, n3, n7, n28, n41, n78, 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), 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)
4G (TDD) Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
with 512GB storage
RAM 16GB
Internal storage 512GB
Colors Phantom black
MSRP $ 1380
for T-Mobile, single nano SIM
Resistance Water, Dust; IP68
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU Mali G78 MP14
Weight 8.01 oz (227.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless