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Google Pixel 4a vs Samsung Galaxy M31s vs Apple iPhone SE (2020)

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

Display

Size:

5.8 inches
6.5 inches
4.7 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
1334 x 750 pixels, 16:9 ratio, 326 PPI

Technology:

OLED
Super AMOLED
IPS LCD

Screen-to-body:

82.53 %
86.06 %
65.34 %

Peak brightness:

625 cd/m2 (nit)

Features:

60Hz refresh rate, 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
Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 730 SM7150-AA
Samsung Exynos 9611
Apple A13 Bionic APL1W85

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
Hexa-core, 2650 MHz, Lightning and Thunder, 64-bit, 7 nm

GPU:

Adreno 618
Mali-G72 MP3
Apple-designed 4 core

RAM:

6GB LPDDR4
6GB LPDDR4
3GB LPDDR4

Internal storage:

128GB, not expandable
128GB (UFS 2.1), available to use: 106.4 GB
64GB, not expandable

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11, 10)
Android (10), Samsung One UI
iOS (14.x, 13.x)

Battery

Capacity:

3140 mAh
6000 mAh
1821 mAh

Type:

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

Battery life test results:

Charging:

USB Power Delivery
Fast charging, Reverse charging
USB Power Delivery, Qi wireless charging

Max charge speed:

Wired: 18.0W
Wired: 25.0W

Camera

Rear:

Single camera
Quad camera
Single camera

Main camera:

12.2 MP (OIS, PDAF)
64 MP (PDAF)
12 MP (Sapphire crystal lens cover, OIS, PDAF, CMOS image sensor, BSI sensor)

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
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/3"; Pixel size: 1.22 μm

Second camera:

12 MP (Ultra-wide)

Specifications:

Aperture size: F2.2

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)

Features:

EIS
Hyperlapse, EIS
OIS, Time-lapse video, Continuous autofocus

Front:

8 MP
32 MP
7 MP (EIS, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps)
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 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
5.45 x 2.65 x 0.29 inches (138.4 x 67.3 x 7.3 mm)

Weight:

5.04 oz (143.0 g)
7.16 oz (203.0 g)
5.22 oz (148.0 g)

Materials:

Back: Plastic; Frame: Plastic
Back: Glass; Frame: Aluminum

Resistance:

Water, Dust; IP67

Biometrics:

Fingerprint (touch)
Fingerprint (touch)
Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key

Colors:

Just black
Mirage black, Mirage blue
Black, White, 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), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
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+), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)

UMTS:

850, 900, 1700/2100, 1900, 2100 MHz
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
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM, eSIM
Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.1
5.0
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
802.11 a, b, g, n, ac, ax, dual-band; MIMO, Hotspot

USB:

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

Features:

Charging
Charging, OTG
Charging, Headphones port

Location:

GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC
NFC
NFC, UMA (Wi-Fi Calling)

Hearing aid compatible:

M3, T4
T4

Regulatory Approval

FCC approval:

Date approved:

Jun 25, 2020

FCC ID value:

A4RG025J link

Measured SAR:

Head:

1.18 W/kg

Body:

1.19 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.00 W/kg

Buyers information

Price:

$ 349
€ 310
$ 399

User Manual:

This is the official Samsu​ng Galaxy M31s 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
EarPods with Lightning Connector, Lightning to USB Cable, USB Power Adapter, Documentation

Availability

Officially announced:

Aug 03, 2020
Jul 30, 2020
Apr 15, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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