Samsung Galaxy A31 vs Samsung Galaxy A42 Specs Comparison

Design

Dimensions
6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm	6.47 x 2.99 x 0.34 inches 164.4 x 75.9 x 8.6 mm
Weight
6.53 oz (185.0 g)	6.81 oz (193.0 g)
Materials
Back: Plastic
Biometrics
Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white	Prism Dot black, Prism Dot white, Prism Dot grey

Display

Size
6.4-inch	6.6-inch
Resolution
2400x1080px, 20:9 ratio, 411 PPI	1600x720px, 20:9 ratio, 266 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
60Hz	60Hz
Screen-to-body
84.88 %	84.26 %
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P65 MT6768 (12 nm)	Qualcomm Snapdragon 750G SM7225 (8 nm)
Processor
Octa-core 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55	Octa-core 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570
GPU
Mali-G52 MC2	Adreno 619
RAM
4GB (LPDDR4)	4GB (LPDDR4)
Internal storage
64GB (eMMC 5.1), available to use: 46.2 GB	128GB, available to use: 106 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1000 GB
OS
Android (10), Samsung One UI	Android (12, 11, 10), Samsung One UI

Battery

Capacity
5000 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
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" 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 Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
5 MP (Macro) Aperture size: F2.4	5 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.4	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
Front
20 MP, 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
Screen mirroring
Wireless screen share	Wireless screen share
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), 20(800 DD)	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), 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

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL	Date approved: Apr 08, 2021 FCC ID value: A3LSMA426U
Measured SAR
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	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
€ 300	€ 340

Availability

Officially announced
Mar 24, 2020	Sep 02, 2020

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB

Links

Full specifications
Samsung Galaxy A31 Specs	Samsung Galaxy A42 Specs