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OnePlus 7 Pro vs Google Pixel 4a vs Google Pixel 3a

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

Comparison mode:

Display

Size:

6.7 inches
5.8 inches
5.6 inches

Resolution:

3120 x 1440 pixels, 19.5:9 ratio, 515 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
2220 x 1080 pixels, 18.5:9 ratio, 444 PPI

Technology:

AMOLED
OLED
OLED

Refresh rate:

90Hz
60Hz

Screen-to-body:

88.46 %
82.53 %
73.93 %

Features:

HDR support, 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
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855
Qualcomm Snapdragon 730G SM7150-AA
Qualcomm Snapdragon 670 SDM670

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm

GPU:

Adreno 640
Adreno 618
Adreno 615

RAM:

6GB LPDDR4
6GB LPDDR4
4GB LPDDR4

Internal storage:

128GB (UFS 3.0), not expandable
128GB (UFS 2.1), not expandable
64GB (eMMC), not expandable

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie), OxygenOS UI
Android (11, 10)
Android (11, 10, 9.0 Pie)

Battery

Capacity:

4000 mAh
3140 mAh
3000 mAh

Type:

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

Battery life test results:

Charging:

OnePlus Warp Charge
USB Power Delivery
USB Power Delivery

Max charge speed:

Wired: 30.0W
Wired: 18.0W

Camera

Rear:

Triple camera
Single camera
Single camera

Main camera:

48 MP (OIS, Laser and PDAF)
12.2 MP (OIS, PDAF)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F1.6; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

8 MP (Telephoto, OIS)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Pixel size: 1 μm

Third camera:

16 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 17 mm

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

Time-lapse video, Continuous autofocus, EIS
EIS
EIS

Front:

16 MP (Pop-up, HDR)
8 MP
8 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.40 x 2.99 x 0.35 inches (162.6 x 76 x 8.8 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
5.96 x 2.76 x 0.32 inches (151.3 x 70.1 x 8.2 mm)

Weight:

7.27 oz (206.0 g)
5.04 oz (143.0 g)
5.19 oz (147.0 g)

Materials:

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

Biometrics:

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

Keys:

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

Colors:

Mirror gray, Nebula blue, Almond
Just black
Black, Purple, White

Cellular

LTE (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), 17(700 b), 18(800 Lower), 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), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)

LTE (TDD):

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

UMTS:

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

Data Speed:

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM, eSIM
Nano SIM

HD Voice:

Yes
Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Dolby Atmos, aptX-HD
aptX, aptX-HD
aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.1
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, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0

Features:

Charging, Headphones port, Mass storage device
Charging
Charging, Mass storage device

Location:

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

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC
NFC
NFC, VoIP, Tethering, Computer sync, OTA sync

Hearing aid compatible:

M3, T3
M3, T4
M3, T3

Regulatory Approval

FCC approval:

Date approved:

May 15, 2019
Jun 25, 2020
Feb 25, 2019

FCC ID value:

2ABZ2-GM1915
A4RG025J
A4RG020G

Measured SAR:

Head:

1.20 W/kg
1.18 W/kg
1.15 W/kg

Body:

0.65 W/kg
1.19 W/kg
1.13 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg
1.59 W/kg

Wireless Router:

1.19 W/kg
1.00 W/kg
1.19 W/kg

Buyers information

Price:

$ 669
$ 349
$ 399

In The Box:

Warp Charge 30W Power Adapter, Warp Type-C Cable (Support USB 2.0), Quick Start Guide, Welcome Letter, Safety Information, Warranty Card, LOGO Sticker, Case, Screen Protector (pre-applied), SIM Tray Ejector
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool

Availability

Officially announced:

May 14, 2019
Aug 03, 2020
May 07, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless