Samsung Galaxy J7 Star vs Samsung Galaxy A50
Display
Display size
Resolution
Pixel density
Technology
TFT
Super AMOLED
Screen-to-body ratio
71.45 %
85.24 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Camera
Rear
Single camera
Triple 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: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm
Second camera
8 megapixels
Hardware Features
Ultra-wide
Specifications
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera
5 megapixels
Hardware Features
Depth information
Specifications
Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Flash
LED
LED
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (240 fps)
Features
Video calling, Video sharing
Hyperlapse, Digital image stabilization, Video calling, Video sharing
Front
13 megapixels
25 megapixels
Design
Dimensions
Weight
the average is 6 oz (172 g)
the average is 6 oz (172 g)
Materials
Back: Plastic
Biometrics
2D Face unlock
2D Face unlock, In-screen fingerprint
Features
Touch sensitive control keys
Colors
Blue
Black, Pink, Blue, White
Hardware & Performance
System chip
Samsung Exynos 7 Octa 7870
Samsung Exynos 7 Octa 9610
Processor
GPU
Mali-T830 MP1
Mali-G72 MP3
RAM
Internal storage
32 GB
128 GB
Maximum User Storage
107 GB
Storage expansion
up to 400 GB
up to 512 GB
OS
Android (8.0 Oreo)
Android (9.0 Pie), Samsung One UI
Battery
Capacity
3300 mAh
4000 mAh
Charging
Samsung Adaptive Fast Charging
Talk time
the average is 23 h (1379 min)
Stand-by time
the average is 21 days (498 h)
Talk time (3G)
the average is 23 h (1387 min)
Internet use
3G
12 hours
LTE
14 hours
Wi-Fi
15 hours
Music playback
76.70 hours
92.00 hours
Video playback
19.00 hours
19.00 hours
Cellular
LTE (FDD)
Bands 2, 4, 5, 12, 66, 71
Bands 1, 3, 5, 7, 8, 20
LTE (TDD)
Bands 38, 40, 41
UMTS
850, 1700/2100, 1900, 2100 MHz
850, 900, 1900, 2100 MHz
GSM
850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz
Data
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Connectivity
Bluetooth
4.2
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band
USB
USB 2.0
USB 2.0
Connector
microUSB
USB Type-C (reversible)
Features
Mass storage device
Mass storage device
Mobile Payment
Samsung Pay
Location
GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
Phone features
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration
Hearing aid compatibility
M3, T3
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording
Multimedia
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Headphones connector
3.5mm
3.5mm
Additional microphone(s)
for Noise cancellation
Regulatory Approval
FCC approval
Date approved
May 10, 2018
Feb 11, 2019
FCC measured SAR
Head
1.36 W/kg
0.34 W/kg
Body
1.01 W/kg
0.45 W/kg
Simultaneous Transmission
1.58 W/kg
1.44 W/kg
Wireless Router
1.11 W/kg
1.20 W/kg
Phablet
3.60 W/kg
1.07 W/kg
Shopping information
In The Box
USB cable, Wall charging adapter, Start guide, Terms & Conditions
MSRP price
$ 350
