Samsung Galaxy J8 vs Samsung Galaxy J7 Refine Specs Comparison

Display

Size
6.0-inch	5.5-inch
Resolution
1480 x 720 px, 18.5:9 ratio, 274 PPI	1280 x 720 px, 16:9 ratio, 267 PPI
Technology
Super AMOLED	TFT
Screen-to-body
75.79 %	71.45 %
Colors
	16 777 216
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 7884 (14 nm)
Processor
Octa-core, 1800 MHz, ARM Cortex-A53, 64-bit	Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit
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 (8.0 Oreo)
Device type
Smartphone	Smartphone

Battery

Capacity
3500 mAh	3300 mAh
Type
Not user replaceable	Li - Polymer, Not user replaceable

Camera

Rear
Dual camera	Single camera
Main camera
16 MP (PDAF, CCD image sensor) Specifications: Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2.8" Pixel size: 1.12 μm	13 MP (PDAF) Specifications: Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Second camera
5 MP (Depth information) Specifications: 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) Features: Video calling, Video sharing	1920x1080 (Full HD) (30 fps) Features: Video calling, Video sharing
Front
16 MP (Flash, HDR)	13 MP

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	Gold

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)	Bands 25(1900+), 26(850+)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA	LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback	Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Yes

Connectivity & Features

Bluetooth
4.2	4.2
Wi-Fi
802.11 b,g,n Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Hotspot, Wi-Fi Direct
USB
microUSB, USB 2.0, Features: Charging, Mass storage device	microUSB, USB 2.0, Features: Mass storage device, Charging
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass
Sensors
Accelerometer, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
ANT+, VoIP, Tethering, Computer sync, OTA sync	ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync

Regulatory Approval

FCC approval
	Date approved: May 07, 2018 FCC ID value: A3LSMJ737P
Measured SAR
	Head: 0.96 W/kg Body: 0.76 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.20 W/kg Phablet: 3.91 W/kg

Buyers information

In The Box
Charger, microUSB cable, Documentation, Quick Start Guide, Headphones and SIM removal tool.	Charger, USB Cable, Important Information Booklet

Availability

Officially announced
Jun 27, 2018	Jun 29, 2018

Links

Full specifications
Samsung Galaxy J8 Specs	Samsung Galaxy J7 Refine Specs