Samsung Galaxy J8 vs Samsung Galaxy A42 Specs Comparison

Design

Dimensions
6.27 x 2.98 x 0.32 inches 159.2 x 75.7 x 8.2 mm	6.47 x 2.99 x 0.34 inches 164.4 x 75.9 x 8.6 mm
Weight
6.24 oz (177.0 g)	6.81 oz (193.0 g)
Materials
Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink, Blue	Prism Dot black, Prism Dot white, Prism Dot grey

Display

Size
6.0-inch	6.6-inch
Resolution
1480x720px, 18.5:9 ratio, 274 PPI	1600x720px, 20:9 ratio, 266 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
75.79 %	84.26 %
Features
Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 450 SDM450 (14 nm)	Qualcomm Snapdragon 750G SM7225 (8 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A53	Octa-core 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570
GPU
Adreno 506	Adreno 619
RAM
4GB (LPDDR3)	4GB (LPDDR4)
Internal storage
64GB, available to use: 51 GB	128GB, available to use: 106 GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 1000 GB
OS
Android (10, 8.0 Oreo), Samsung TouchWiz UI	Android (12, 11, 10), Samsung One UI

Battery

Capacity
3500 mAh	5000 mAh
Charging
	Samsung Adaptive Fast Charging
Charge speed
	Wired: 15.0W

Camera

Rear
Dual camera	Quad camera
Main camera
16 MP (PDAF, CCD image sensor) Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2.8" Pixel size: 1.12 μm	48 MP (PDAF) Aperture size: F1.8 Pixel size: 0.8 μm
Second camera
5 MP (Depth information) Aperture size: F1.9 Focal Length: 24 mm Sensor size: 1/5" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
Front
16 MP (Flash, HDR)	20 MP (Autofocus)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM

Cellular

5G
	Bands n1, n3, n5, n7, n8, n28, Sub-6
4G (FDD)
Bands 1(2100), 3(1800), 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 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA	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: Apr 08, 2021 FCC ID value: A3LSMA426U
Measured SAR
	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
	€ 340
In The Box
Charger, microUSB cable, Documentation, Quick Start Guide, Headphones and SIM removal tool.

Availability

Officially announced
Jun 27, 2018	Sep 02, 2020

Links

Full specifications
Samsung Galaxy J8 Specs	Samsung Galaxy A42 Specs