Google Pixel 3a vs Google Pixel 4a Specs Comparison

Availability

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

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

Display

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

Hardware

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

Battery

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

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Single camera
Main camera
12.2 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 28 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	12.2 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
Dual LED	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
5.0	5.1
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 2.0	Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
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
Other
NFC, VoIP, Tethering, Computer sync, OTA sync	NFC

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

Cellular

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

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

Alternative variants

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

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