Samsung Galaxy J8 vs Samsung Galaxy J7 Star Specs Comparison

Design

Dimensions
6.27 x 2.98 x 0.32 inches 159.2 x 75.7 x 8.2 mm	6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm
Weight
6.24 oz (177.0 g)	6.38 oz (181.0 g)
Materials
Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock
Features
	Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black, Gold, Pink, Blue	Blue

Display

Size
6.0-inch	5.5-inch
Resolution
1480x720px, 18.5:9 ratio, 274 PPI	1280x720px, 16:9 ratio, 267 PPI
Technology
Super AMOLED	TFT
Screen-to-body
75.79 %	71.45 %
Features
Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 450 SDM450 (14 nm)	Samsung Exynos 7 Octa 7870 (14 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A53	Octa-core 1600 MHz ARM Cortex-A53
GPU
Adreno 506	Mali-T830 MP1
RAM
4GB (LPDDR3)	2GB (LPDDR3)
Internal storage
64GB, available to use: 51 GB	32GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 400 GB
OS
Android (10, 8.0 Oreo), Samsung TouchWiz UI	Android (9.0 Pie, 8.0 Oreo), Samsung One UI

Battery

Capacity
3500 mAh	3300 mAh
Type
	Li - Polymer

Camera

Rear
Dual camera	Single 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	13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Second camera
5 MP (Depth information) Aperture size: F1.9 Focal Length: 24 mm Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) (30 fps)
Front
16 MP (Flash, HDR)	13 MP

Connectivity & Features

Bluetooth
4.2	4.2
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	microUSB, USB 2.0
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+, UMA (Wi-Fi Calling)

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

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA	LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes

Regulatory Approval

FCC approval
	Date approved: May 10, 2018 FCC ID value: A3LSMJ737T
Measured SAR
	Head: 1.36 W/kg Body: 1.01 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.11 W/kg Phablet: 3.60 W/kg

Buyers information

In The Box
Charger, microUSB cable, Documentation, Quick Start Guide, Headphones and SIM removal tool.	USB cable, Wall charging adapter, Start guide, Terms & Conditions

Availability

Officially announced
Jun 27, 2018

Links

Full specifications
Samsung Galaxy J8 Specs	Samsung Galaxy J7 Star Specs