OnePlus 6T vs Samsung Galaxy S21+ 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.

8.9
OnePlus 6T
8.5
Samsung Galaxy S21+
OnePlus 6T Samsung Galaxy S21+
Released · Nov 01, 2018
Released · Jan 29, 2021
6.4-inch · 2340x1080px
6.7-inch · 2400x1080px
Dual camera
Triple camera
8GB · 256GB
8GB · 128GB
3700 mAh
4800 mAh
Check prices

Design

Dimensions
6.20 x 2.94 x 0.32 inches
157.5 x 74.8 x 8.2 mm
6.35 x 2.98 x 0.31 inches
161.5 x 75.6 x 7.8 mm
Weight
6.53 oz (185.0 g) 7.13 oz (202.0 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, Other Right: Volume control, Lock/Unlock key
Colors
Black, Purple Phantom silver, Black, Violet

Display

Size
6.4-inch 6.7-inch
Resolution
2340x1080px, 19.5:9 ratio, 402 PPI 2400x1080px, 20:9 ratio, 393 PPI
Technology
AMOLED Dynamic AMOLED
Refresh rate
120Hz (adaptive)
Screen-to-body
85.77 % 88.63 %
Peak brightness
1300 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm) Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core
2800 MHz
Kryo 385
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
GPU
Adreno 630 Adreno 660
RAM
8GB (LPDDR4) 8GB (LPDDR5)
Internal storage
256GB 128GB (UFS 3.0)
Storage expansion
not expandable not expandable
OS
Android (11, 10, 9.0 Pie), OxygenOS UI Android (13, 12, 11), Samsung One UI

Battery

Capacity
3700 mAh 4800 mAh
Type
Li - Ion Li - Polymer
Charging
OnePlus Dash Charge Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
5h 26min
Browsing
10h 50min
Video
8h 27min
Gaming
8h 36min

Camera

Rear
Dual camera Triple camera
Main camera
16 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 25 mm
Sensor size: 1/2.6"
Pixel size: 1.22 μm
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm
Second camera
20 MP (PDAF)
Aperture size: F1.7
Focal Length: 25 mm
Sensor size: 1/2.8"
Pixel size: 1 μm
12 MP (Ultra-wide, PDAF)
Aperture size: F1.8
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Focal Length: 29 mm
Sensor size: 1/2.55"
Pixel size: 0.8 μm
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
EIS, Video calling, Video sharing
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 (HDR), Video capture: 1920x1080 (Full HD) 10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
802.11 a,b,g,n,ac,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 2.0 Type-C, USB 3.2
Hearing aid compatible
M3/T3 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers) Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync NFC, ANT+

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
aptX-HD 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation, Video recording

Cellular

5G
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), 32(1500 L-band), 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 Bands 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), 8(900)
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Oct 30, 2018
FCC ID value: 2ABZ2-A6013
Date approved: Dec 18, 2020
FCC ID value: A3LSMG996U
Measured SAR
Head: 1.34 W/kg
Body: 1.19 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.32 W/kg
Phablet: 3.62 W/kg
Head: 0.65 W/kg
Body: 0.95 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.04 W/kg
Phablet: 3.97 W/kg

Buyers information

MSRP
$ 629 $ 1000
In The Box
Screen Protector (pre-applied), Case, Fast Charge Type-C Cable, Fast Charge Power Adapter, SIM Tray Ejector, Welcome Letter, Quick Start Guide / Poster, Safety Information, Type-C to 3.5 mm Headphone Jack Adapter C to C Data Cable, Ejection Pin

Availability

Officially announced
Oct 29, 2018 Jan 14, 2021

Alternative variants

with 128 GB storage
Internal storage 128GB
MSRP $ 579
with 256GB storage
Internal storage 256GB
MSRP $ 1050
with 6 GB RAM
RAM 6GB
Internal storage 128GB
MSRP $ 549
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 7.05 oz (200.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 18, 2020
FCC ID value: A3LSMG996B
Measured SAR Head: 0.24 W/kg
Body: 0.75 W/kg
Simultaneous Transmission: 3.59 W/kg
Wireless Router: 1.26 W/kg
Phablet: 1.95 W/kg
Single SIM, no CDMA
Internal storage 128GB
RAM 10GB
MSRP $ 700
FCC OKs Cingular\'s purchase of AT&T Wireless