Google Pixel 3a vs Google Pixel 4a Specs Comparison

Display

Size
5.6-inch	5.8-inch
Resolution
2220 x 1080 px, 18.5:9 ratio, 444 PPI	2340 x 1080 px, 19.5:9 ratio, 444 PPI
Technology
OLED	OLED
Refresh rate
	60Hz
Screen-to-body
73.93 %	82.53 %
Features
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 670 SDM670 (10 nm)	Qualcomm Snapdragon 730G SM7150-AA (8 nm)
Processor
Octa-core, 2000 MHz, Kryo 360, 64-bit	Octa-core, 2200 MHz, Kryo 470, 64-bit
GPU
Adreno 615	Adreno 618
RAM
4GB (LPDDR4)	6GB (LPDDR4)
Internal storage
64GB (eMMC), not expandable	128GB (UFS 2.1), not expandable
OS
Android (12, 11, 10, 9.0 Pie)	Android (12, 11, 10)
Device type
Smartphone	Smartphone

Battery

Capacity
3000 mAh	3140 mAh
Type
Not user replaceable	Li - Polymer, Not user replaceable
Battery life test results
link	link
Charging
USB Power Delivery	USB Power Delivery
Max charge speed
	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

9h 48min

Video

6h 30min

Gaming

Untested

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

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

Camera

Rear
Single camera	Single camera
Main camera
12.2 MP (OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 28 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	12.2 MP (OIS, PDAF) Specifications: Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Features: EIS	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Features: EIS
Front
8 MP, Video capture: 1920x1080 (Full HD)	8 MP, Video capture: 1920x1080 (Full HD)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

N/A

Overall

N/A

Photo

N/A

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
5.96 x 2.76 x 0.32 inches (151.3 x 70.1 x 8.2 mm)	5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
Weight
5.19 oz(147.0 g)	5.04 oz(143.0 g)
Materials
Back: Plastic	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Purple, White	Just black

Cellular

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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
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)
Data Speed
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
SIM type
Nano SIM	Nano SIM, eSIM
HD Voice
Yes

Multimedia

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

Connectivity & Features

Bluetooth
5.0	5.1
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
USB
Type-C (reversible), USB 2.0, Features: Charging, Mass storage device	Type-C (reversible), USB 3.1, Features: Charging
Hearing aid compatible
M3/T3	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass, Barometer
Other
NFC, VoIP, Tethering, Computer sync, OTA sync	NFC

Regulatory Approval

FCC approval
Date approved: Feb 25, 2019 FCC ID value: A4RG020G	Date approved: Jun 25, 2020 FCC ID value: A4RG025J
Measured SAR
Head: 1.15 W/kg Body: 1.13 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.19 W/kg	Head: 1.18 W/kg Body: 1.19 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.00 W/kg

Buyers information

Price
$ 399	$ 349
In The Box
18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool	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
May 07, 2019	Aug 03, 2020

Links

Full specifications
Google Pixel 3a Specs	Google Pixel 4a Specs
PhoneArena Review
Google Pixel 3a Review	Google Pixel 4a Review
User Reviews
Google Pixel 3a User Reviews	Google Pixel 4a User Reviews