Google Pixel 4a vs Google Pixel 3a Specs Comparison

Availability

Officially announced
Aug 03, 2020	May 07, 2019
Prices (MSRP)
$349	$399

Design

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

Display

Size
5.8-inch, 82.53% screen-to-body	5.6-inch, 73.93% screen-to-body
Type
OLED, 60Hz, HDR	OLED
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI	2220x1080px, 18.5:9 ratio, 444 PPI
Protection
Corning Gorilla Glass 3	Dragontrail

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
2 (Good)	1.7 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 730G SM7150-AA (8 nm)	Snapdragon 670 SDM670 (10 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core 2000 MHz Kryo 360
GPU
Adreno 618	Adreno 615
Memory
6GB (LPDDR4)/128GB (UFS 2.1)	4GB (LPDDR4)/64GB (eMMC)
Storage expansion
not expandable	not expandable
OS
Android (12, 11, 10)	Android (12, 11, 10, 9.0 Pie)

Battery

Type
3140 mAh, Li - Polymer	3000 mAh
Charging
USB Power Delivery	USB Power Delivery
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

9h 48min

Video

6h 30min

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) Aperture size: F1.8 Focal length: 28 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
LED	Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS	4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS
Front
8 MP Video capture: 1080p	8 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.1	5.0
WLAN
a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 3.1	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC	NFC, VoIP, Tethering, Computer sync, OTA sync

Discover more

Full Specs Google Pixel 4a Specs PA Review Google Pixel 4a Review

Full Specs Google Pixel 3a Specs PA Review Google Pixel 3a Review

Multimedia

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

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
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, eSIM	Nano SIM
HD Voice
	Yes

Regulatory Approval

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

Alternative variants

4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 66, 71