OnePlus 9 vs Google Pixel 7a 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.

9.0	6.1
OnePlus 9	Google Pixel 7a
Released · Apr 02, 2021	Released · May 10, 2023
6.5-inch · 2400x1080px	6.1-inch · 2400x1080px
Triple camera	Dual camera
8GB · 128GB	8GB · 128GB
4500 mAh	4385 mAh
Check prices	Check prices

Design

Dimensions
6.30 x 2.92 x 0.34 inches 160 x 74.2 x 8.7 mm	6.00 x 2.87 x 0.35 inches (~0.41 inches with camera bump) 152.4 x 72.9 x 9 mm (~10.50 mm with camera bump)
Weight
6.77 oz (192.0 g)	6.81 oz (193.0 g)
Materials
Back: Glass (Corning Gorilla Glass) Frame: Aluminum
Resistance
	Water, Dust; IP67
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key, Other	Right: Volume control, Lock/Unlock key
Colors
Winter Mist, Arctic Sky, Astral Black	Charcoal, Snow, Sea, and Coral

Display

Size
6.5-inch	6.1-inch
Resolution
2400x1080px, 20:9 ratio, 402 PPI	2400x1080px, 20:9 ratio, 431 PPI
Technology
AMOLED	OLED
Refresh rate
120Hz	90Hz
Screen-to-body
87.27 %	80.86 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm)	Google Tensor G2 (5 nm)
Processor
Octa-core 2840 MHz Kryo 680	Octa-core 2x 2.85GHz Cortex-X1 + 2x 2.35GHz Cortex-A78 + 4x 1.80GHz Cortex-A55
GPU
Adreno 660	Mali-G710 MP7
RAM
8GB (LPDDR5)	8GB
Internal storage
128GB (UFS 3.1)	128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (11), OxygenOS UI	Android (15, 14, 13)

Battery

Capacity
4500 mAh	4385 mAh
Type
	Li - Polymer
Charging
OnePlus Warp Charge, Qi wireless charging	Fast charging, Qi wireless charging
Charge speed
Wired: 65.0W Wireless: 15.0W	Wired: 18.0W Wireless: 7.5W

Battery Life Estimate

5h 50min

Browsing

11h 29min

Video

9h 16min

Gaming

9h 6min

Battery Life Estimate

6h 4min

Browsing

15h 27min

Video

9h 7min

Gaming

5h 27min

Camera

Rear
Triple camera	Dual camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.4" Pixel size: 1.12 μm	64 MP Aperture size: F1.9 Focal length: 26 mm Sensor size: 1/1.73" Pixel size: 0.8 μm
Second camera
50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/1.56"	13 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
2 MP (Black and White)
Flash
Dual LED	LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) HDR, Continuous autofocus, EIS	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD)
Front
16 MP (EIS)	13 MP

N/A

Overall

N/A

Photo

N/A

Video

133

Overall

140

Photo

127

Video

Connectivity & Features

Bluetooth
5.2	5.3
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),Wi-Fi 6E Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC	NFC

Multimedia

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

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78	Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n28, n30, n38, n41, n48, n66, n71, n77, n78, n260, n261, 5G Ready
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), 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), 17(700 b), 20(800 DD), 21(1500 Upper), 25(1900+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900), 9(1700), 19(800)	Bands 1(2100), 2(1900), 3(1800), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 24, 2021 FCC ID value: 2ABZ2-EF136
Measured SAR
Head: 1.20 W/kg Body: 0.78 W/kg Simultaneous Transmission: 1.48 W/kg Wireless Router: 1.18 W/kg

Buyers information

MSRP
$ 729	$ 499 / € 509
In The Box
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	Phone, USB Type-C cable, SIM ejector tool, Papers

Availability

Officially announced
Mar 23, 2021	May 10, 2023

Alternative variants

With 12GB RAM and 256GB storage


RAM	12GB
Internal storage	256GB
MSRP	$ 829

Links

Full specifications
OnePlus 9 Specs	Google Pixel 7a Specs
PhoneArena Review
OnePlus 9 Review	Google Pixel 7a Review
User Reviews
OnePlus 9 User Reviews