Google Pixel 4a vs Asus Zenfone 9 Specs Comparison

Display

Size
5.8-inch	5.9-inch
Resolution
2340 x 1080 px, 19.5:9 ratio, 444 PPI	2400 x 1080 px, 20:9 ratio, 446 PPI
Technology
OLED	Super AMOLED
Refresh rate
60Hz	120Hz
Screen-to-body
82.53 %	84.24 %
Peak brightness
	1100 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730G SM7150-AA (8 nm)	Qualcomm Snapdragon 8+ Gen1 SM8475 (4 nm)
Processor
Octa-core, 2200 MHz, Kryo 470, 64-bit	Octa-core, 1x 3.2GHz Cortex-X2 + 3x 2.75GHz Cortex-A710 + 4x 2.0Ghz Cortex-A510
GPU
Adreno 618	Adreno 730
RAM
6GB (LPDDR4)	8GB (LPDDR5)
Internal storage
128GB (UFS 2.1), not expandable	128GB (UFS 3.1), not expandable
OS
Android (12, 11, 10)	Android (12)
Device type
Smartphone	Smartphone

Battery

Capacity
3140 mAh	4300 mAh
Type
Li - Polymer, Not user replaceable	Not user replaceable
Charging
USB Power Delivery	Fast charging
Max charge speed
Wired: 18.0W	Wired: 30.0W

PhoneArena Battery Tests

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Battery Life Estimate

7h 37min

Browsing

17h 13min

Video

12h 14min

Gaming

8h 12min

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Single camera	Dual camera
Main camera
12.2 MP (OIS, PDAF) Specifications: Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	50 MP (OIS, PDAF) Specifications: Aperture size: F1.9 Sensor size: 1/1.56"
Second camera
	12 MP Specifications: Aperture size: F2.2 Focal Length: 14.4 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Features: EIS	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps)
Front
8 MP, Video capture: 1920x1080 (Full HD)	12 MP

Design

Dimensions
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)	5.77 x 2.68 x 0.36 inches (146.5 x 68.1 x 9.1 mm)
Weight
5.04 oz(143.0 g)	5.96 oz(169.0 g)
Materials
Back: Plastic Frame: Plastic
Resistance
	Yes; IP68
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Just black

Cellular

5G
	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n77, n78
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), 17(700 b), 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 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 2(1900), 3(1800), 5(850), 8(900)
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM, eSIM	Dual Nano SIM

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
aptX, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Connectivity & Features

Bluetooth
5.1	5.2
Wi-Fi
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) Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.1, Features: Charging	Type-C (reversible), USB 2.0, Features: Charging, OTG
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC	NFC

Regulatory Approval

FCC approval
Date approved: Jun 25, 2020 FCC ID value: A4RG025J
Measured SAR
Head: 1.18 W/kg Body: 1.19 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.00 W/kg

Buyers information

MSRP
$ 349
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

Availability

Officially announced
Aug 03, 2020	Jul 28, 2022

Alternative variants

With 256GB internal storage

Internal storage	256GB

With 16GB RAM and 256GB internal storage

RAM	16GB
Internal storage	256GB

Links

Full specifications
Google Pixel 4a Specs	Asus Zenfone 9 Specs
PhoneArena Review
Google Pixel 4a Review	Asus Zenfone 9 Review
User Reviews
Google Pixel 4a User Reviews