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Google Pixel 4 vs Google Pixel 4a 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 4
9.1
Google Pixel 4a
Google Pixel 4 Google Pixel 4a
Released · Oct 24, 2019
Released · Aug 20, 2020
5.7-inch · 2280x1080px
5.8-inch · 2340x1080px
Dual camera
Single camera
6GB · 64GB
6GB · 128GB
2800 mAh
3140 mAh
Check prices Check prices

Design

Dimensions
5.79 x 2.71 x 0.32 inches
147.1 x 68.8 x 8.2 mm 		5.67 x 2.73 x 0.32 inches
144 x 69.4 x 8.2 mm
Weight
5.71 oz (162.0 g) 5.04 oz (143.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum 		Back: Plastic
Frame: Plastic
Resistance
Water, Dust; IP68
Biometrics
3D Face unlock Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Just black, Clearly white, Oh so orange Just black

Display

Size
5.7-inch 5.8-inch
Resolution
2280x1080px, 19:9 ratio, 443 PPI 2340x1080px, 19.5:9 ratio, 444 PPI
Technology
OLED OLED
Refresh rate
90Hz 60Hz
Screen-to-body
77.32 % 82.53 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 855 SM8150 (7 nm) Qualcomm Snapdragon 730G SM7150-AA (8 nm)
Processor
Octa-core
2840 MHz
Kryo 485 		Octa-core
2200 MHz
Kryo 470
GPU
Adreno 640 Adreno 618
RAM
6GB (LPDDR4) 6GB (LPDDR4)
Internal storage
64GB 128GB (UFS 2.1)
Storage expansion
not expandable not expandable
OS
Android (12, 11, 10) Android (12, 11, 10)

Battery

Capacity
2800 mAh 3140 mAh
Type
Li - Polymer
Charging
USB Power Delivery, Qi wireless charging USB Power Delivery
Charge speed
Wired: 18.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
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
Dual camera Single camera
Main camera
12.2 MP (OIS, PDAF)
Aperture size: F1.7
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
Second camera
16 MP (Telephoto, OIS, PDAF)
Aperture size: F2.4
Focal Length: 45 mm
Pixel size: 1 μm
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
OIS, Time-lapse video, EIS 		3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
EIS
Front
8 MP (Dual-Camera, Time-of-Flight (ToF)), Video capture: 1920x1080 (Full HD) 8 MP, Video capture: 1920x1080 (Full HD)

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, USB 3.1 Type-C, USB 3.1
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 NFC

Multimedia

Headphones
No 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(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), 19(800 Upper), 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), 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), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) 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 Pro Cat 18 (1200/150 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 Yes
SIM type
Nano SIM, eSIM Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Sep 03, 2019
FCC ID value: A4RG020I 		Date approved: Jun 25, 2020
FCC ID value: A4RG025J
Measured SAR
Head: 1.20 W/kg
Body: 1.34 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.01 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

MSRP
$ 799 $ 349
In The Box
18W USB-C power adapter, 1m USB-C to USB-C cable, 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
Oct 15, 2019 Aug 03, 2020

Alternative variants

with 128 GB storage
Internal storage 128GB
MSRP $ 899
for Europe
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), 71(600)
FCC OKs Cingular\'s purchase of AT&T Wireless