Compare Samsung Galaxy J3 Star with Samsung Galaxy J7 (2017) with Samsung Galaxy J8

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Compare Samsung Galaxy J3 Star vs Samsung Galaxy J7 (2017) vs Samsung Galaxy J8

Summary	74 Score	78 Score	77 Score
Performance	2 GB RAM Android v7.0 (Nougat)	Exynos 7870 3 GB RAM Android 7.1.1 (Nougat)	Qualcomm Snapdragon SDM450 4 GB RAM Android 8.0 Oreo
Display	5 inch 720 x 1280 pixels 294 PPI Density	5.5 inch 720 x 1280 pixels 267 PPI Density	6 inch 720 x 1480 pixels 274 PPI Density
Camera	13 MP (Main) 5 MP (Front)	13 MP (Main) 13 MP (Front)	16 + 5 MP (Main) 16 MP (Front) Dual Camera
Battery	2500 mAh Li-ion	3000 mAh Li-ion	3500 mAh Li-ion
Display
Screen Size	5 inch	5.5 inch	6 inch
Screen Resolution	HD (720 x 1280 pixels)	720 x 1280 Pixels	720 x 1480 pixels
Pixel Density	294 PPI	267 PPI	274 PPI
Display Type	Super AMOLED Capacitive Touchscreen, Multi-touch	IPS LCD, Multi-touch	HD+ Super AMOLED Infinity
Gorilla Glass	-	Yes	-
Screen Protection	-	-	-
Chipset
Brand	Samsung Mobiles	Samsung Mobiles	Samsung Mobiles
Chipset		Exynos 7870	Qualcomm Snapdragon SDM450
Processor	Quad-core 1.2 GHz Cortex-A53	Octa core 1.5GHz	1.6GHz Octa-core processor
RAM	2 GB RAM	3 GB RAM	4 GB RAM
GPU		Mali-T830	GPU Mali G-71
Camera
Rear Camera Resolution	13 MP	13 MP	16 + 5 MP
Front Camera Resolution	5 MP	13 MP	16 MP
Video
Camera Features	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging
General
Operating System	Android	Android	Android
OS Version	Android v7.0 (Nougat)	Android 7.1.1 (Nougat)	Android 8.0 Oreo
Weight			191 g
Dimensions			159.2 x 75.7 x 8.2 mm
Thickness			8.2mm
Storage
Internal Storage	16 GB	32 GB	64 GB
Card Slot	microSD, Up to 128GB	microSD, up to 128 GB	microSD, up to 256 GB
Other	16 GB, Expandable up to 128GB	32GB storage, Expandable up to 128GB	64 GB, Expandable upto 256GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Nano-SIM	Micro-SIM	Nano-SIM
Bluetooth	v4.0	v4.2	v4.1, A2DP, LE
3.5 mm Jack	Yes	Yes	Yes
NFC		No	No
Connectivity
VoLTE
4G	TD-LTE 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7)	LTE 2100, LTE 800, LTE 1800, LTE 2600	LTE 2100, LTE 800, LTE 1800, LTE 2600
3G	UMTS 1900 / 2100 / 850 / 900 MHz	UMTS 2100 MHz	UMTS 1900 / 2100 / 850 / 900 MHz
2G	GSM 1800 / 1900 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/g/n	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
GPS	A-GPS	A-GPS, Glonass	A-GPS, GLONASS/ BDS
GPRS
EDGE
Radio
Battery
Battery Capacity	2500 mAh	3000 mAh	3500 mAh
Battery Type	Li-ion	Li-ion	Li-ion
Standby Time
Talk Time
Other Features
Fingerprint Scanner
Waterproof
Sensors	Proximity sensor Accelerometer	Proximity sensor Accelerometer.	Accelerometer Proximity Gyro Compass
Messaging	SMS(threaded view), MMS, Email, Push Mail, IM
Java
Other