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OnePlus 5T vs Google Pixel 4a 5G vs Samsung Galaxy S21

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

Comparison mode:

Display

Size:

6.0 inches
6.2 inches
6.2 inches

Resolution:

2160 x 1080 pixels, 18:9 ratio, 400 PPI
2340 x 1080 pixels, 19.5:9 ratio, 416 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

AMOLED
OLED
Dynamic AMOLED

Refresh rate:

60Hz
120Hz (adaptive)

Screen-to-body:

80.43 %
82.94 %
86.06 %

Peak brightness:

1300 cd/m2 (nit)

Features:

Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 835 MSM8998
Qualcomm Snapdragon 765G SM7250-AB
Qualcomm Snapdragon 888

Processor:

Octa-core, 2450 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 2400 MHz, Kryo 475, 64-bit, 7 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 540
Adreno 620
Adreno 660

RAM:

8GB LPDDR4
6GB LPDDR4
8GB LPDDR5

Internal storage:

128GB, not expandable
128GB (UFS 2.1), not expandable
128GB (UFS 3.0), not expandable

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat), OnePlus OxygenOS UI
Android (11)
Android (11), Samsung One UI

Battery

Capacity:

3300 mAh
3885 mAh
4000 mAh

Type:

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

Charging:

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

Max charge speed:

Wired: 18.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Dual camera
Dual camera
Triple camera

Main camera:

16 MP (PDAF)
12.2 MP (OIS, PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

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

Specifications:

Aperture size: F1.7; Focal Length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1 μm
Aperture size: F2.2; Pixel size: 1 μm
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, Autofocus)

Specifications:

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

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (120 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Time-lapse video, Picture-taking during video recording, EIS, Video calling, Video sharing
OIS, Time-lapse video, EIS
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

16 MP (HDR)
8 MP (Dual-Camera, Time-of-Flight (ToF))
10 MP (PDAF, HDR)

Video capture:

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

Design

Dimensions:

6.15 x 2.95 x 0.29 inches (156.1 x 75 x 7.3 mm)
6.06 x 2.91 x 0.32 inches (153.9 x 74.0 x 8.2 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

5.71 oz (162.0 g)
5.93 oz (168.0 g)
6.03 oz (171.0 g)

Materials:

Back: Aluminum
Back: Plastic
Back: Plastic; Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

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

Keys:

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

Colors:

Black, Red, White
Just black, Clearly white
Phantom pink, Violet, Gray, White

Cellular

5G:

n1, n2, n5, n12, n25, n28, n41, n66, n71, n78, Sub-6
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 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)
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), 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)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
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 Cat 12/13 (600/150 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
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM, eSIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
aptX, aptX-HD
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
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 (reversible), USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.2

Features:

Charging, Mass storage device
Charging
Charging, Headphones port, OTG, Video out

Location:

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

Sensors:

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

Other:

NFC, VoIP, Tethering, Computer sync, OTA sync
NFC
NFC, ANT+

Hearing aid compatible:

M3, T4
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Nov 17, 2017
Sep 01, 2020
Dec 08, 2020

FCC ID value:

2ABZ2-A5010
A4RG025E
A3LSMG991U

Measured SAR:

Head:

1.38 W/kg
1.20 W/kg
0.36 W/kg

Body:

0.76 W/kg
1.20 W/kg
1.08 W/kg

Simultaneous Transmission:

1.50 W/kg
1.57 W/kg
3.96 W/kg

Wireless Router:

1.25 W/kg
1.00 W/kg
1.09 W/kg

Phablet:

3.61 W/kg
2.49 W/kg

Buyers information

Price:

$ 559
$ 500
$ 800

In The Box:

Screen Protector (pre-applied), Translucent case, Dash Type-C Cable, Dash Power Adapter, SIM Tray Ejector, Quick Start Guide, Safety information
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter SIM tool
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Nov 16, 2017
Sep 30, 2020
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless