Samsung Galaxy J7 (2018) vs Samsung Galaxy J7 Star
Display
Display size
Resolution
Pixel density
Technology
TFT
TFT
Screen-to-body ratio
71.45 %
71.45 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Camera
Rear
Single camera
Single camera
Main camera
Hardware Features
Phase detection autofocus
Phase detection autofocus
Specifications
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Video calling, Video sharing
Front
13 megapixels
13 megapixels
Design
Dimensions
Weight
the average is 6.1 oz (174 g)
the average is 6.1 oz (174 g)
Materials
Back: Plastic
Biometrics
2D Face unlock
2D Face unlock
Features
Touch sensitive control keys
Touch sensitive control keys
Colors
Black
Blue
Multimedia
Headphones
3.5 mm jack
3.5 mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share
Wireless screen share
Hardware & Performance
System chip
Samsung Exynos 7 Octa 7870
Samsung Exynos 7 Octa 7870
Processor
GPU
Mali-T830 MP1
Mali-T830 MP1
RAM
Internal storage
32 GB
32 GB
Storage expansion
microSDXC up to 400 GB
microSDXC up to 400 GB
OS
Android (8.0 Oreo)
Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Connectivity & Features
Bluetooth
4.2
4.2
Wi-Fi
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0
microUSB, USB 2.0
Features
Mass storage device
Location
GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other
ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, UMA (Wi-Fi Calling)
Cellular
LTE (FDD)
Bands 2, 3, 4, 5, 7, 12, 14
Bands 2, 4, 5, 12, 66, 71
UMTS
850, 1900, 2100 MHz
850, 1700/2100, 1900, 2100 MHz
Data
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
Yes
Battery
Capacity
3300 mAh
3300 mAh
Type
Not user replaceable
Li - Polymer, Not user replaceable
Talk time
the average is 20 h (1174 min)
the average is 20 h (1174 min)
Stand-by time
the average is 20 days (491 h)
the average is 20 days (491 h)
Music playback
76.70 hours
76.70 hours
Video playback
20.00 hours
19.00 hours
Phone features
Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD
Regulatory Approval
FCC approval
Date approved
Apr 24, 2018
May 10, 2018
Measured SAR
Head
1.03 W/kg
1.36 W/kg
Body
0.76 W/kg
1.01 W/kg
Simultaneous Transmission
1.58 W/kg
1.58 W/kg
Wireless Router
0.98 W/kg
1.11 W/kg
Phablet
3.58 W/kg
3.60 W/kg
Shopping information
In The Box
microUSB cable, Wall Charger
USB cable, Wall charging adapter, Start guide, Terms & Conditions
MSRP price
$ 230
