Google Pixel 4a vs Samsung Galaxy M31 Specs Comparison

Design

Dimensions
5.67 x 2.73 x 0.32 inches 144 x 69.4 x 8.2 mm	6.27 x 2.96 x 0.35 inches 159.2 x 75.1 x 8.9 mm
Weight
5.04 oz (143.0 g)	6.74 oz (191.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Just black	Blue, Black, Red

Display

Size
5.8-inch	6.4-inch
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Technology
OLED	Super AMOLED
Refresh rate
60Hz
Screen-to-body
82.53 %	83.97 %
Peak brightness
	420 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730G SM7150-AA (8 nm)	Exynos 9611 (10 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Adreno 618	Mali-G72 MP3
RAM
6GB (LPDDR4)	6GB (LPDDR4)
Internal storage
128GB (UFS 2.1)	64GB (UFS 2.1), available to use: 49 GB
Storage expansion
not expandable	microSDXC up to 512 GB
OS
Android (12, 11, 10)	Android (11, 10), Samsung One UI

Battery

Capacity
3140 mAh	6000 mAh
Type
Li - Polymer	Li - Polymer
Charging
USB Power Delivery	Fast charging
Charge speed
Wired: 18.0W	Wired: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

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	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.2 Focal Length: 25 mm Sensor size: 1/5" Pixel size: 1.12 μm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) EIS	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps) Hyperlapse, EIS
Front
8 MP, Video capture: 1920x1080 (Full HD)	32 MP (HDR, Slow-motion videos), 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	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
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), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
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), 4(1700/2100), 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
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jun 25, 2020 FCC ID value: A4RG025J	Date approved: Feb 07, 2020 FCC ID value: A3LSMM315F
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: 0.42 W/kg Body: 0.41 W/kg Simultaneous Transmission: 1.54 W/kg Wireless Router: 0.74 W/kg

Buyers information

MSRP
$ 349	€ 240
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	15W fast charger, Data cable, Ejection pin, User Manual

Availability

Officially announced
Aug 03, 2020	Feb 25, 2020

Alternative variants

with 128GB storage

Internal storage	128GB

Links

Full specifications
Google Pixel 4a Specs	Samsung Galaxy M31 Specs
PhoneArena Review
Google Pixel 4a Review
User Reviews
Google Pixel 4a User Reviews