Compare Samsung Galaxy J7 Duo with Samsung Galaxy J8 with Samsung Galaxy J9

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Compare Samsung Galaxy J7 Duo vs Samsung Galaxy J8 vs Samsung Galaxy J9

Summary	78 Score	77 Score	78 Score
Performance	Exynos 7870 4 GB RAM Android 8.0.0 Oreo	Qualcomm Snapdragon SDM450 4 GB RAM Android 8.0 Oreo	6 GB RAM Android 8.1 Oreo
Display	5.5 inch 720 x 1280 pixels 267 PPI Density	6 inch 720 x 1480 pixels 274 PPI Density	5.7 inch 1080 x 1920 pixels 401 PPI Density
Camera	13 + 5 MP (Main) 8 MP (Front) Front LED flash	16 + 5 MP (Main) 16 MP (Front) Dual Camera	16 + 5 MP (Main) 16 MP (Front) 4K Video Recording Dual Camera
Battery	3000 mAh Li-ion	3500 mAh Li-ion	3500 mAh Li-ion
Display
Screen Size	5.5 inch	6 inch	5.7 inch
Screen Resolution	720 x 1280 Pixels	720 x 1480 pixels	1080 x 1920 pixels
Pixel Density	267 PPI	274 PPI	401 PPI
Display Type	IPS LCD, Multi-touch	HD+ Super AMOLED Infinity	Super AMOLED 2.5D curved display
Gorilla Glass	-	-	Yes
Screen Protection	-	-	Corning Gorilla Glass 5
Chipset
Brand	Samsung Mobiles	Samsung Mobiles	Samsung Mobiles
Chipset	Exynos 7870	Qualcomm Snapdragon SDM450
Processor	1.6 GHz Octa-core processor	1.6GHz Octa-core processor	Octa-core processor
RAM	4 GB RAM	4 GB RAM	6 GB RAM
GPU	Mali-T830	GPU Mali G-71
Camera
Rear Camera Resolution	13 + 5 MP	16 + 5 MP	16 + 5 MP
Front Camera Resolution	8 MP	16 MP	16 MP
Video			4K Video Recording
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 8.0.0 Oreo	Android 8.0 Oreo	Android 8.1 Oreo
Weight	174 g	191 g
Dimensions	153.5 x 77.2 x 8.2 mm	159.2 x 75.7 x 8.2 mm
Thickness	8.2mm	8.2mm
Storage
Internal Storage	32 GB	64 GB	64 GB
Card Slot	microSD, up to 256 GB	microSD, up to 256 GB	microSD, Up to 256 GB
Other	32GB , Expandable up to 128GB	64 GB, Expandable upto 256GB	64 GB, Expandable upto 256GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Nano-SIM	Nano-SIM	Nano-SIM
Bluetooth	v4.2	v4.1, A2DP, LE	v4.1, A2DP, LE
3.5 mm Jack	Yes	Yes	Yes
NFC	No	No	No
Connectivity
VoLTE
4G	LTE 2100, LTE 800, LTE 1800, LTE 2600	LTE 2100, LTE 800, LTE 1800, LTE 2600	LTE 2100, LTE 800, LTE 1800, LTE 2600
3G	UMTS 2100 MHz	UMTS 1900 / 2100 / 850 / 900 MHz	UMTS 1900 / 2100 / 850 / 900 MHz
2G	GSM 1800 / 1900 / 850 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz
Wi-Fi	Wi-Fi 802.11 a/g/n	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
GPS	A-GPS, Glonass	A-GPS, GLONASS/ BDS	A-GPS, GLONASS/ BDS
GPRS
EDGE
Radio
Battery
Battery Capacity	3000 mAh	3500 mAh	3500 mAh
Battery Type	Li-ion	Li-ion	Li-ion
Standby Time
Talk Time
Other Features
Fingerprint Scanner
Waterproof
Sensors	Proximity sensor Accelerometer.	Accelerometer Proximity Gyro Compass	Accelerometer Proximity Gyro Compass
Messaging
Java
Other