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
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (240 fps)
Features
Hyperlapse, Digital image stabilization
Front
13 megapixels
25 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, In-screen fingerprint
Features
Touch sensitive control keys
Colors
Blue
Black, Pink, Blue, White
Multimedia
Headphones
3.5 mm jack
3.5 mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
Additional microphone(s)
for Noise cancellation
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
Available to use
107 GB
Storage expansion
microSDXC up to 400 GB
microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (9.0 Pie), Samsung One UI
Connectivity & Features
Bluetooth
4.2
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0
USB Type-C (reversible), USB 2.0
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Mobile Payment
Samsung Pay
Other
NFC, ANT+, UMA (Wi-Fi Calling)
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
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
Data
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Battery
Capacity
3300 mAh
4000 mAh
Type
Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable
Charging
Samsung Adaptive Fast Charging
Talk time
the average is 20 h (1174 min)
Stand-by time
the average is 20 days (491 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
Regulatory Approval
FCC approval
Date approved
May 10, 2018
Feb 11, 2019
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
