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Samsung Galaxy J3 (2017) (AT&T) vs Samsung Galaxy A3 (2017) vs Samsung Galaxy A7

Samsung Galaxy J3 (2017) (AT&T) vs Samsung Galaxy A3 (2017) vs Samsung Galaxy A7 comparison

Show Only Differences Highlight Differences	Samsung Galaxy J3 (2017) (AT&T)	Samsung Galaxy A3 (2017)	Samsung Galaxy A7
key specs
Display	5.00-inch	4.70-inch	5.50-inch
Processor	Samsung Exynos 7570	1.6GHz octa-core	Qualcomm Snapdragon 615
Front Camera	2-megapixel	8-megapixel	5-megapixel
Rear Camera	5-megapixel	13-megapixel	13-megapixel
RAM	1.5GB	2GB	2GB
Storage	16GB	16GB	16GB
Battery Capacity	2600mAh	2350mAh	2600mAh
OS	Android 7.0	Android 6.0	Android 4.4
Resolution	720x1280 pixels	720x1280 pixels	1080x1920 pixels
general
Brand	Samsung	Samsung	Samsung
Model	Galaxy J3 (2017) (AT&T)	Galaxy A3 (2017)	Galaxy A7
Release date	May 1, 2017	January 1, 2017	January 1, 2015
Form factor	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	140.97 x 70.10 x 8.64	135.40 x 66.20 x 7.90	151.00 x 76.20 x 6.30
Weight (g)	148.00	-	141.00
Battery capacity (mAh)	2600	2350	2600
Removable battery	No	No	No
Colours	-	Black Sky, Blue Mist, Gold Sand, Peach Cloud	Black, Gold, White
display
Screen size (inches)	5.00	4.70	5.50
Touchscreen	Yes	Yes	Yes
Resolution	720x1280 pixels	720x1280 pixels	1080x1920 pixels
hardware
Processor	1.4GHz quad-core	1.6GHz octa-core	1GHz octa-core
Processor make	Samsung Exynos 7570	-	Qualcomm Snapdragon 615
RAM	1.5GB	2GB	2GB
Internal storage	16GB	16GB	16GB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	256	256	64
camera
Rear camera	5-megapixel	13-megapixel	13-megapixel
Rear flash	LED	-	LED
Front camera	2-megapixel	8-megapixel	5-megapixel
software
Operating system	Android 7.0	Android 6.0	Android 4.4
Skin	-	-	TouchWiz UI
connectivity
Wi-Fi	Yes	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 a/b/g/n/ac	802.11 a/b/g/n
GPS	Yes	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 4.20	Yes, v 4.00
NFC	No	Yes	Yes
Infrared	No	No	No
USB OTG	No	No	No
Headphones	3.5mm	Yes	3.5mm
FM	No	Yes	Yes
Number of SIMs	1	2	1
Wi-Fi Direct	No	No	No
Mobile High-Definition Link (MHL)	No	No	No
sim 1
SIM Type	Nano-SIM	-	Nano-SIM
GSM/CDMA	GSM	-	GSM
3G	Yes	No	Yes
4G/ LTE	Yes	No	Yes
sensors
Compass/ Magnetometer	No	No	Yes
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	No	No	Yes
Gyroscope	Yes	No	No
Barometer	No	Yes	No
Temperature sensor	No	No	No
sim 2
3G	-	No	-
4G/ LTE	-	No	-

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