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Google Pixel 3 vs Google Pixel 3a 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
9.0
Google Pixel 3
9.0
Google Pixel 3a
Google Pixel 3 Google Pixel 3a
Released · Oct 18, 2018
Released · May 07, 2019
5.5-inch · 2160x1080px
5.6-inch · 2220x1080px
Single camera
Single camera
4GB · 64GB
4GB · 64GB
2915 mAh
3000 mAh
Check prices Check prices

Availability

Expected nnouncement
Oct 09, 2018
Officially announced
Oct 09, 2018 May 07, 2019
Prices (MSRP)
4GB/64GB - $799 $399

Design

Dimensions
5.73 x 2.69 x 0.31 inches
145.6 x 68.2 x 7.9 mm 		5.96 x 2.76 x 0.32 inches
151.3 x 70.1 x 8.2 mm
Weight
5.22 oz / 148.0 g 5.19 oz / 147.0 g
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum 		Back: Plastic
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Pink, White Black, Purple, White

Display

Size
5.5-inch, 77.36% screen-to-body 5.6-inch, 73.93% screen-to-body
Type
P-OLED, HDR OLED
Resolution
2160x1080px, 18:9 ratio, 442 PPI 2220x1080px, 18.5:9 ratio, 444 PPI
Protection
Corning Gorilla Glass 5 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 845 SDM845 (10 nm) Snapdragon 670 SDM670 (10 nm)
Processor
Octa-core
Kryo 385 		Octa-core
2000 MHz
Kryo 360
GPU
Adreno 630 Adreno 615
Memory
4GB (LPDDR4)/64GB
4GB/128GB 		4GB (LPDDR4)/64GB (eMMC)
Storage expansion
not expandable not expandable
OS
Android (12, 11, 10, 9.0 Pie) Android (12, 11, 10, 9.0 Pie)

Battery

Type
2915 mAh, Li - Polymer 3000 mAh
Charging
USB Power Delivery
Qi wireless charging 		USB Power Delivery
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
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, CMOS image sensor)
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: F1.8
Focal length: 28 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Flash
Dual LED Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
OIS, EIS, Video calling, Video sharing 		4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
EIS
Front
8 MP (Dual-Camera, Wide Angle, Autofocus)
Video capture: 1080p 		8 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
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/T3 M3/T3
Location
GPS, A-GPS, Glonass, Galileo GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC, VoIP, Tethering, Computer sync, OTA sync NFC, VoIP, Tethering, Computer sync, OTA sync

Multimedia

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

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 32, 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, 46 38, 40, 41
3G Bands
2, 5 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS 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 Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Aug 31, 2018
FCC ID value: A4RG013A 		Date approved: Feb 25, 2019
FCC ID value: A4RG020G
Measured SAR
Head: 1.34 W/kg
Body: 1.34 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 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

with 128 GB storage
Memory 128GB
Prices (MSRP) $899
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 66, 71
FCC OKs Cingular\'s purchase of AT&T Wireless