Google Pixel 4a vs OnePlus 9 Pro 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.

9.1	9.3
Google Pixel 4a	OnePlus 9 Pro
Released · Aug 20, 2020	Released · Apr 02, 2021
5.8-inch	6.7-inch
Single camera	Quad camera
6GB · 128GB	8GB · 128GB
3140 mAh	4500 mAh
Check prices	Check prices

Design

Dimensions
5.67 x 2.73 x 0.32 inches 144 x 69.4 x 8.2 mm	6.43 x 2.90 x 0.34 inches 163.2 x 73.6 x 8.7 mm
Weight
5.04 oz (143.0 g)	6.95 oz (197.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass)
Resistance
	Water, Dust; IP68
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key, Other
Colors
Just black	Morning Mist, Forest Green, Stellar Black

Display

Size
5.8-inch	6.7-inch
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI	3216x1440px, 20.1:9 ratio, 526 PPI
Technology
OLED	AMOLED
Refresh rate
60Hz	120Hz
Screen-to-body
82.53 %	89.79 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730G SM7150-AA (8 nm)	Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core Kryo 680
GPU
Adreno 618	Adreno 660
RAM
6GB (LPDDR4)	8GB (LPDDR5)
Internal storage
128GB (UFS 2.1)	128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (12, 11, 10)	Android (11), OxygenOS UI

Battery

Capacity
3140 mAh	4500 mAh
Type
Li - Polymer
Charging
USB Power Delivery	OnePlus Warp Charge, Qi wireless charging
Charge speed
Wired: 18.0W	Wired: 65.0W Wireless: 50.0W

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Battery Life Estimate

5h 50min

Browsing

11h 29min

Video

9h 16min

Gaming

9h 6min

Camera

Rear
Single camera	Quad camera
Main camera
12.2 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	48 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.4" Pixel size: 1.12 μm
Second camera
	50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/1.56"
Third camera
	8 MP (Ultra-wide) Optical zoom: 3.3x Aperture size: F2.4 Focal Length: 77 mm Pixel size: 1 μm
Fourth camera
	2 MP (Black and White)
Flash
LED	Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) EIS	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) OIS, HDR, Continuous autofocus, EIS
Front
8 MP, Video capture: 1920x1080 (Full HD)	16 MP (EIS)

Connectivity & Features

Bluetooth
5.1	5.2
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 3.1	Type-C, USB 3.1
Hearing aid compatible
M3/T4
Location
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, Barometer	Accelerometer, Gyroscope, Compass
Other
NFC	NFC

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker, Multiple speakers
Features
aptX, aptX-HD	Dolby Atmos
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G
	Bands n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, 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), 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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	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), 9(1700), 19(800)
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM, eSIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Jun 25, 2020 FCC ID value: A4RG025J	Date approved: Mar 24, 2021 FCC ID value: 2ABZ2-EF14A
Measured SAR
Head: 1.18 W/kg Body: 1.19 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.00 W/kg	Head: 1.19 W/kg Body: 0.75 W/kg Simultaneous Transmission: 1.52 W/kg Wireless Router: 1.19 W/kg

Buyers information

MSRP
$ 349	$ 969
In The Box
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool	Warp Charge 65 Power Adapter, Warp Charge Type-C to Type-C Cable, Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, OnePlus Sticker, SIM Tray Ejector

Availability

Officially announced
Aug 03, 2020	Mar 23, 2021

Alternative variants

with 12GB RAM and 256GB storage


RAM	12GB
Internal storage	256GB
MSRP	$ 1069

Links

Full specifications
Google Pixel 4a Specs	OnePlus 9 Pro Specs
PhoneArena Review
Google Pixel 4a Review	OnePlus 9 Pro Review
User Reviews
Google Pixel 4a User Reviews	OnePlus 9 Pro User Reviews