Samsung Galaxy M31 vs Samsung Galaxy A42 Specs Comparison

Design

Dimensions
6.27 x 2.96 x 0.35 inches 159.2 x 75.1 x 8.9 mm	6.47 x 2.99 x 0.34 inches 164.4 x 75.9 x 8.6 mm
Weight
6.74 oz (191.0 g)	6.81 oz (193.0 g)
Materials
Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Blue, Black, Red	Prism Dot black, Prism Dot white, Prism Dot grey

Display

Size
6.4-inch	6.6-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	1600x720px, 20:9 ratio, 266 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
83.97 %	84.26 %
Peak brightness
420 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Exynos 9611 (10 nm)	Qualcomm Snapdragon 750G SM7225 (8 nm)
Processor
Octa-core 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53	Octa-core 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570
GPU
Mali-G72 MP3	Adreno 619
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
64GB (UFS 2.1), available to use: 49 GB	128GB, available to use: 106 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1000 GB
OS
Android (11, 10), Samsung One UI	Android (12, 11, 10), Samsung One UI

Battery

Capacity
6000 mAh	5000 mAh
Type
Li - Polymer
Charging
Fast charging	Samsung Adaptive Fast Charging
Charge speed
Wired: 15.0W	Wired: 15.0W

Camera

Rear
Quad camera	Quad camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F1.8 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	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
5 MP (Macro) Aperture size: F2.2 Focal Length: 25 mm Sensor size: 1/5" Pixel size: 1.12 μm	5 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.2	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps) Hyperlapse, EIS	3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
Front
32 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)	20 MP (Autofocus)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G
	Bands n1, n3, n5, n7, n8, n28, Sub-6
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), 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), 17(700 b), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 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, 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	Nano SIM
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Feb 07, 2020 FCC ID value: A3LSMM315F	Date approved: Apr 08, 2021 FCC ID value: A3LSMA426U
Measured SAR
Head: 0.42 W/kg Body: 0.41 W/kg Simultaneous Transmission: 1.54 W/kg Wireless Router: 0.74 W/kg	Head: 1.11 W/kg Body: 1.25 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.06 W/kg Phablet: 3.81 W/kg

Buyers information

MSRP
€ 240	€ 340
In The Box
15W fast charger, Data cable, Ejection pin, User Manual

Availability

Officially announced
Feb 25, 2020	Sep 02, 2020

Alternative variants

with 128GB storage

Internal storage	128GB

Links

Full specifications
Samsung Galaxy M31 Specs	Samsung Galaxy A42 Specs