Google Pixel 4a vs Samsung Galaxy A31 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.

9.1
Google Pixel 4a	Samsung Galaxy A31
Released · Aug 20, 2020	Released · Apr 27, 2020
5.8-inch	6.4-inch
Single camera	Quad camera
6GB · 128GB	4GB · 64GB
3140 mAh	5000 mAh
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Design

Dimensions
5.67 x 2.73 x 0.32 inches 144 x 69.4 x 8.2 mm	6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm
Weight
5.04 oz (143.0 g)	6.53 oz (185.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Just black	Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
5.8-inch	6.4-inch
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI	2400x1080px, 20:9 ratio, 411 PPI
Technology
OLED	Super AMOLED
Refresh rate
60Hz	60Hz
Screen-to-body
82.53 %	84.88 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730G SM7150-AA (8 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
GPU
Adreno 618	Mali-G52 MC2
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB (UFS 2.1)	64GB (eMMC 5.1), available to use: 46.2 GB
Storage expansion
not expandable	microSDXC up to 512 GB
OS
Android (12, 11, 10)	Android (10), Samsung One UI

Battery

Capacity
3140 mAh	5000 mAh
Type
Li - Polymer	Li - Polymer
Charging
USB Power Delivery	Fast charging
Charge speed
Wired: 18.0W	Wired: 15.0W

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Single camera	Quad 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	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) EIS	1920x1080 (Full HD) (30 fps)
Front
8 MP, Video capture: 1920x1080 (Full HD)	20 MP, 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 2.0
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass
Other
NFC	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
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), 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), 20(800 DD)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM, eSIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Jun 25, 2020 FCC ID value: A4RG025J	Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL
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: 0.53 W/kg Body: 0.56 W/kg Simultaneous Transmission: 1.42 W/kg Wireless Router: 0.65 W/kg Phablet: 0.89 W/kg

Buyers information

MSRP
$ 349	€ 300
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

Availability

Officially announced
Aug 03, 2020	Mar 24, 2020

Alternative variants

with 128GB storage


RAM	6GB
Internal storage	128GB

Links

Full specifications
Google Pixel 4a Specs	Samsung Galaxy A31 Specs
PhoneArena Review
Google Pixel 4a Review
User Reviews
Google Pixel 4a User Reviews