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Google Pixel 4a vs Google Pixel 3 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.

Comparison mode:
Specs Size
Differences only
9.1
Google Pixel 4a
9.0
Google Pixel 3
Google Pixel 4a Google Pixel 3
Released · Aug 20, 2020
Released · Oct 18, 2018
5.8-inch · 2340x1080px
5.5-inch · 2160x1080px
Single camera
Single camera
6GB · 128GB
4GB · 64GB
3140 mAh
2915 mAh
Check prices Check prices

Design

Dimensions
5.67 x 2.73 x 0.32 inches
144 x 69.4 x 8.2 mm 		5.73 x 2.69 x 0.31 inches
145.6 x 68.2 x 7.9 mm
Weight
5.04 oz (143.0 g) 5.22 oz (148.0 g)
Materials
Back: Plastic
Frame: Plastic 		Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Just black Black, Pink, White

Display

Size
5.8-inch 5.5-inch
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI 2160x1080px, 18:9 ratio, 442 PPI
Technology
OLED P-OLED
Refresh rate
60Hz
Screen-to-body
82.53 % 77.36 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730G SM7150-AA (8 nm) Qualcomm Snapdragon 845 SDM845 (10 nm)
Processor
Octa-core
2200 MHz
Kryo 470 		Octa-core
2500 MHz
Kryo 385
GPU
Adreno 618 Adreno 630
RAM
6GB (LPDDR4) 4GB (LPDDR4)
Internal storage
128GB (UFS 2.1) 64GB
Storage expansion
not expandable not expandable
OS
Android (12, 11, 10) Android (12, 11, 10, 9.0 Pie)

Battery

Capacity
3140 mAh 2915 mAh
Type
Li - Polymer Li - Polymer
Charging
USB Power Delivery USB Power Delivery, Qi wireless charging
Charge speed
Wired: 18.0W
PhoneArena Battery Tests
Battery Life Estimate
4h 15min
Browsing
9h 27min
Video
6h 48min
Gaming
4h 51min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera Single 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 		12.2 MP (OIS, PDAF, CMOS image sensor)
Aperture size: F1.8
Focal length: 28 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Flash
LED Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
EIS 		3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
OIS, EIS, Video calling, Video sharing
Front
8 MP, Video capture: 1920x1080 (Full HD) 8 MP (Dual-Camera, Wide Angle, Autofocus), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.1 5.0
WLAN
802.11 a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1 Type-C, USB 3.1
Hearing aid compatible
M3/T4 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo
Sensors
Accelerometer, Gyroscope, Compass, Barometer Accelerometer, Gyroscope, Compass, Barometer
Other
NFC NFC, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
aptX, aptX-HD Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation Noise cancellation

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), 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), 29(700 d), 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
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 2(1900), 5(850)
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 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS
Dual SIM
Yes Yes
SIM type
Nano SIM, eSIM Nano SIM, eSIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Jun 25, 2020
FCC ID value: A4RG025J 		Date approved: Aug 31, 2018
FCC ID value: A4RG013A
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: 1.34 W/kg
Body: 1.34 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg

Buyers information

MSRP
$ 349 $ 799
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 Quick Switch Adapter, USB-C to USB-C cable, USB-C 18W Power adapter, Pixel USB-C earbuds, USB-C to 3.5mm headphone adapter, SIM tool, Quick Start Guide

Availability

Officially announced
Aug 03, 2020 Oct 09, 2018
Expected Announcement
Oct 09, 2018

Alternative variants

with 128 GB storage
Internal storage 128GB
MSRP $ 899
FCC OKs Cingular\'s purchase of AT&T Wireless