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Samsung Galaxy J4 vs Samsung Galaxy J7 Duo vs Samsung Galaxy J2 (2017) vs Samsung Galaxy J7 (2017)

Samsung Galaxy J4 vs Samsung Galaxy J7 Duo vs Samsung Galaxy J2 (2017) vs Samsung Galaxy J7 (2017) comparison

Show Only Differences Highlight Differences	Samsung Galaxy J4	Samsung Galaxy J7 Duo	Samsung Galaxy J2 (2017)	Samsung Galaxy J7 (2017)
key specs
Display	5.50-inch	5.50-inch	4.70-inch	5.50-inch
Processor	Samsung Exynos 7570	Samsung Exynos 7885	Samsung Exynos 3 Quad 3475	Samsung Exynos 7 Octa 7870
Front Camera	5-megapixel	8-megapixel	2-megapixel	13-megapixel
Rear Camera	13-megapixel	13-megapixel + 5-megapixel	5-megapixel	13-megapixel
RAM	2GB	4GB	1GB	3GB
Storage	16GB	32GB	8GB	16GB
Battery Capacity	3000mAh	3000mAh	2000mAh	3600mAh
OS	Android 8.0	Android Oreo	Android	Android 7.0
Resolution	720x1280 pixels	720x1280 pixels	540x960 pixels	1080x1920 pixels
general
Brand	Samsung	Samsung	Samsung	Samsung
Model	Galaxy J4	Galaxy J7 Duo	Galaxy J2 (2017)	Galaxy J7 (2017)
Release date	May 1, 2018	March 1, 2018	October 1, 2017	June 1, 2017
Launched in India	Yes	Yes	-	-
Form factor	Touchscreen	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	151.70 x 77.20 x 8.10	153.50 x 77.20 x 8.20	136.50 x 69.00 x 8.40	146.30 x 71.30 x 7.90
Weight (g)	175.00	174.00	130.00	-
Battery capacity (mAh)	3000	3000	2000	3600
Removable battery	Yes	-	Yes	Yes
Colours	Black, Orchid Gray, Gold	Black and Gold	Black, Gold	Black, Gold
display
Screen size (inches)	5.50	5.50	4.70	5.50
Touchscreen	Yes	Yes	Yes	Yes
Resolution	720x1280 pixels	720x1280 pixels	540x960 pixels	1080x1920 pixels
Aspect ratio	16:9	16:9	-	16:9
Pixels per inch (PPI)	-	267	-	-
hardware
Processor	1.4GHz quad-core	octa-core (2x2.2GHz + 6x1.6GHz)	1.3GHz quad-core	1.6GHz octa-core
Processor make	Samsung Exynos 7570	Samsung Exynos 7885	Samsung Exynos 3 Quad 3475	Samsung Exynos 7 Octa 7870
RAM	2GB	4GB	1GB	3GB
Internal storage	16GB	32GB	8GB	16GB
Expandable storage	Yes	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD	microSD
Expandable storage up to (GB)	256	256	128	256
camera
Rear camera	13-megapixel (f/1.9)	13-megapixel (f/1.9) + 5-megapixel (f/1.9)	5-megapixel	13-megapixel (f/1.7)
Rear autofocus	Yes	Yes	-	-
Rear flash	LED	LED	LED	LED
Front camera	5-megapixel (f/2.2)	8-megapixel (f/1.9)	2-megapixel	13-megapixel (f/1.9)
Front flash	LED	LED	-	LED
software
Operating system	Android 8.0	Android Oreo	Android	Android 7.0
connectivity
Wi-Fi	Yes	Yes	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 a/b/g/n/ac	802.11 b/g/n	802.11 b/g/n
GPS	Yes	Yes	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 5.00	Yes	Yes, v 4.10
Micro-USB	Yes	-	-	Yes
FM	Yes	Yes	Yes	Yes
Number of SIMs	2	2	2	2
NFC	-	No	No	No
Infrared	-	-	No	No
USB OTG	-	-	Yes	No
Headphones	-	-	3.5mm	-
Wi-Fi Direct	-	-	No	No
Mobile High-Definition Link (MHL)	-	-	No	No
sim 1
SIM Type	Micro-SIM	-	Micro-SIM	-
GSM/CDMA	GSM	-	GSM	GSM
3G	Yes	-	Yes	No
4G/ LTE	Yes	-	Yes	Yes
sim 2
SIM Type	Micro-SIM	-	Micro-SIM	-
GSM/CDMA	GSM	-	GSM	GSM
3G	Yes	-	Yes	No
4G/ LTE	Yes	-	Yes	Yes
sensors
Proximity sensor	Yes	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes	No
Fingerprint sensor	-	Yes	-	-
Compass/ Magnetometer	-	No	No	No
Ambient light sensor	-	-	Yes	No
Gyroscope	-	-	Yes	No
Barometer	-	-	No	No
Temperature sensor	-	-	No	No

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