Features Key features of the Galaxy J7  vs A3 

screen size

Galaxy J7
Galaxy A3

screen resolution

Galaxy J7
1280 x 720
Galaxy A3
960 x 540


Galaxy J7
2 GB
Galaxy A3
1.5 GB

camera resolution

Galaxy J7
13 MP
Galaxy A3
8 MP

Differences What are the advantages of each

View of Samsung Galaxy J7

Reasons to consider the
Samsung Galaxy J7

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Supports FM radio Yes vs No Somewhat common; Listen to music and news from local radio stations
Acts as a wi-fi hotspot Yes vs No Somewhat common; Share your cellphone's data plan with other devices
Significantly more battery capacity 3,300 mA·h vs 1,900 mA·h Around 75% more battery capacity
Noticeably bigger screen 5.5" vs 4.5" More than 20% bigger screen
Higher resolution front camera 13 MP vs 8 MP Around 65% higher resolution front camera; Video chat with other people
Faster processor 1.6 GHz vs 1.2 GHz Around 35% faster processor; run computation-intensive applications, such as photo editing, faster
Higher resolution 1280 x 720 vs 960 x 540 Around 80% higher resolution
Front view of Samsung Galaxy A3

Reasons to consider the
Samsung Galaxy A3

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Much lighter 110 g vs 169 g Around 35% lighter
Better theoretical download speed 42.2 Mb/s vs 20 Mb/s More than 2x better theoretical download speed; enjoy lightning fast downloads on modern networks
Thinner 6.9 mm vs 7.8 mm More than 10% thinner

Reviews Word on the street

Specifications Full list of technical specs


Galaxy J7  vs
Size 5.5" 4.5"
Resolution 1280 x 720 960 x 540
Multitouch N/A N/A
PPI 267 ppi 244 ppi


Clock speed 1.6 GHz 1.2 GHz
RAM 2 GB 1.5 GB
Internal storage 16 GB 16 GB
Supported card formats

photo & video

Camera 13 MP 8 MP
Resolution 13 MP 8 MP
Flash Yes Yes
Secondary camera 5 MP 5 MP
Video resolution 1920 x 1080 @ 30 fps 1920 x 1080 @ 30 fps


Generation 4G 4G
LTE Cat 4 (150/)
HSUPA (5.76 Mb/s)
EDGE (0.38 Mb/s)
LTE (20 Mb/s)
HSPA (unspecified)
HSDPA+ (42.2 Mb/s)
UMTS (0.38 Mb/s)
GPRS (0.01 Mb/s)
GSM (0.01 Mb/s)


Talk time (3G) 1,380 min 720 min
Capacity 3,300 mA·h 1,900 mA·h

form factor

Galaxy J7  vs
Weight 169 g 110 g
Thickness 7.8 mm 6.9 mm
Size 76 x 151.7 x 7.8 mm 65.5 x 130.1 x 6.9 mm


Has an assisted GPS Yes Yes


Supports FM radio Yes No


Operating system Android 6.0 Android 5.0
Multitasking Yes Yes
App store Android Market Android Market
Adobe flash support No No
App store size 850,000 apps 850,000 apps


Acts as a wi-fi hotspot Yes No
Supports NFC Yes Yes
Bluetooth Bluetooth Bluetooth v4.0
Samsung Galaxy J7
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Samsung Galaxy A3
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