Samsung Galaxy J7 Prime vs Samsung Galaxy J7 Star
Display
Display size
Resolution
Pixel density
Technology
IPS LCD
TFT
Screen-to-body ratio
73.39 %
71.45 %
Features
Scratch-resistant glass (Corning Gorilla Glass), Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Camera
Rear
Single camera
Single camera
Main camera
Hardware Features
Autofocus, CMOS image sensor
Phase detection autofocus
Specifications
Aperture size: F1.9
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Flash
LED
LED
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Video calling, Video sharing
Video calling, Video sharing
Front
8 megapixels
13 megapixels
Design
Dimensions
Weight
the average is 6 oz (172 g)
the average is 6 oz (172 g)
Materials
Back: Metal
Biometrics
Fingerprint (touch)
2D Face unlock
Features
Touch sensitive control keys
Touch sensitive control keys
Colors
Black, Gold
Blue
Hardware & Performance
System chip
Samsung Exynos 7 Octa 7870
Samsung Exynos 7 Octa 7870
Processor
GPU
Mali-T830 MP2
Mali-T830 MP1
RAM
Internal storage
16 GB
32 GB
Maximum User Storage
10.3 GB
Storage expansion
up to 256 GB
up to 400 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow), Samsung Experience UI
Android (8.0 Oreo)
Battery
Capacity
3300 mAh
3300 mAh
Talk time
the average is 22 h (1342 min)
Stand-by time
the average is 20 days (480 h)
Talk time (3G)
the average is 23 h (1364 min)
Internet use
3G
12 hours
LTE
15 hours
Wi-Fi
16 hours
Music playback
84.00 hours
76.70 hours
Video playback
14.00 hours
19.00 hours
Cellular
LTE (FDD)
Bands 1, 3, 5, 7, 8, 20
Bands 2, 4, 5, 12, 66, 71
LTE (TDD)
Bands 38, 40
UMTS
850, 900, 1900, 2100 MHz
850, 1700/2100, 1900, 2100 MHz
GSM
850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz
Data
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
Connectivity
Bluetooth
4.1
4.2
Wi-Fi
802.11 b, g, n
802.11 a, b, g, n, ac, dual-band
USB
USB 2.0
USB 2.0
Connector
microUSB
microUSB
Features
Mass storage device, USB OTG, USB charging
Mass storage device
Mobile Payment
Samsung Pay Mini
Location
GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass
Other
ANT+, Tethering, Computer sync, OTA sync
NFC, ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
Phone features
Sensors
Accelerometer
Accelerometer, Gyroscope, Compass
Notifications
Haptic feedback
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Hearing aid compatibility
M3, T3
Other features
Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording, TTY/TDD
Multimedia
Screen mirroring
Wireless screen share
Wireless screen share
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Headphones connector
3.5mm
3.5mm
Regulatory Approval
FCC approval
Date approved
Aug 18, 2016
May 10, 2018
FCC measured SAR
Head
0.43 W/kg
1.36 W/kg
Body
1.03 W/kg
1.01 W/kg
Simultaneous Transmission
1.09 W/kg
1.58 W/kg
Wireless Router
1.03 W/kg
1.11 W/kg
Phablet
3.60 W/kg
Shopping information
In The Box
USB cable, Wall charging adapter, Start guide, Terms & Conditions
