Google Pixel 4a vs Samsung Galaxy M31

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.8 inches
6.4 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

Technology:

OLED
Super AMOLED

Screen-to-body:

82.53 %
83.97 %

Peak brightness:

420 cd/m2 (nit)

Features:

HDR video 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 730 SM7150-AA
Exynos 9611

Processor:

Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm

GPU:

Adreno 618
Mali-G72 MP3

RAM:

6GB LPDDR4
6GB LPDDR4

Internal storage:

128GB, not expandable
64GB (UFS 2.1), available to use: 49 GB

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (11, 10)
Android (10), Samsung One UI

Battery

Capacity:

3140 mAh
6000 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

USB Power Delivery
Fast charging

Max charge speed:

Wired: 18.0W
Wired: 15.0W

Camera

Rear:

Single camera
Quad camera

Main camera:

12.2 MP (OIS, PDAF)
64 MP (PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.2; Focal Length: 25 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)

Features:

EIS
Hyperlapse, EIS

Front:

8 MP
32 MP (HDR, Slow-motion videos)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

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

Cellular

LTE (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)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

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

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):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.1
5.0

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; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0

Features:

Charging
Charging

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

Hearing aid compatible:

M3, T4

Regulatory Approval

FCC approval:

Date approved:

Jun 25, 2020
Feb 07, 2020

FCC ID value:

A4RG025J link
A3LSMM315F link

Measured SAR:

Head:

1.18 W/kg
0.42 W/kg

Body:

1.19 W/kg
0.41 W/kg

Simultaneous Transmission:

1.59 W/kg
1.54 W/kg

Wireless Router:

1.00 W/kg
0.74 W/kg

Buyers information

Price:

$ 349
€ 240

User Manual:

This is the official Samsu​ng Galaxy M31 User Guide in English provided from the manufacturer.

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
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