Features Key features of the Galaxy J7 Prime  vs A3 

screen size

screen resolution

Galaxy J7 Prime
1920 x 1080
Galaxy A3
960 x 540

memory

camera resolution

Differences What are the advantages of each

View of Samsung Galaxy J7 Prime

Reasons to consider the
Samsung Galaxy J7 Prime

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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
Significantly higher resolution 1920 x 1080 vs 960 x 540 4x higher resolution
Significantly sharper screen 400 ppi vs 244 ppi Around 65% sharper PPI; enjoy photo-realistic, crisp images
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
More RAM 3 GB vs 1.5 GB 2x more RAM; browse media-heavy webpages without slowing down
Front view of Samsung Galaxy A3

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Samsung Galaxy A3

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Screen uses OLED technology Yes vs No About half of smartphones are OLED; OLED screens are typically higher contrast and use less power
Supports NFC Yes vs No Somewhat common; Enables payment by phone and other wireless communications
Much lighter 110 g vs 167 g Around 35% lighter
Thinner 6.9 mm vs 8 mm Around 15% thinner

Specifications Full list of technical specs

screen

Galaxy J7 Prime  vs
A3 
Type Super IPS LCD2 AMOLED
Size 5.5" 4.5"
Resolution 1920 x 1080 960 x 540
Multitouch N/A N/A
PPI 400 ppi 244 ppi

hardware

Clock speed 1.6 GHz 1.2 GHz
RAM 3 GB 1.5 GB
Internal storage 16 GB 16 GB
Supported card formats
SDXC
SDHC
SD

photo & video

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

connectivity

Acts as a wi-fi hotspot Yes No
Supports NFC No Yes
Bluetooth Bluetooth Bluetooth v4.0

form factor

Galaxy J7 Prime  vs
A3 
Weight 167 g 110 g
Thickness 8 mm 6.9 mm
Size 75 x 151.7 x 8 mm 65.5 x 130.1 x 6.9 mm

sensors

Has an assisted GPS No Yes

music

Supports FM radio No No

software

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

battery

Talk time (3G) 1,260 min 720 min
Capacity 3,300 mA·h 1,900 mA·h
Samsung Galaxy J7 Prime
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Samsung Galaxy A3
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