Features Key features of the Galaxy J3  vs A3 

screen size

screen resolution

Galaxy J3
1280 x 720
Galaxy A3
960 x 540

memory

Galaxy J3
1.5 GB
Galaxy A3
1.5 GB

processor

Galaxy J3
Quad core
Galaxy A3
Quad core

camera resolution

Galaxy J3
8 MP
Galaxy A3
8 MP

Differences What are the advantages of each

View of Samsung Galaxy J3

Reasons to consider the
Samsung Galaxy J3

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Acts as a wi-fi hotspot Yes vs No Somewhat common; Share your cellphone's data plan with other devices
More battery capacity 2,600 mA·h vs 1,900 mA·h More than 35% more battery capacity
Bigger screen 5" vs 4.5" More than 10% bigger screen
Sharper screen 293 ppi vs 244 ppi More than 20% sharper PPI; enjoy photo-realistic, crisp images
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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Lighter 110 g vs 138 g More than 20% 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
Store slightly more stuff 16 GB vs 8 GB 2x more storage capacity; free yourself from memory cards
Thinner 6.9 mm vs 7.9 mm Around 15% thinner

Specifications Full list of technical specs

screen

Galaxy J3  vs
A3 
Type AMOLED AMOLED
Size 5" 4.5"
Resolution 1280 x 720 960 x 540
Multitouch N/A N/A
PPI 293 ppi 244 ppi

hardware

Clock speed 1.2 GHz 1.2 GHz
Number of cores Quad core Quad core
RAM 1.5 GB 1.5 GB
Internal storage 8 GB 16 GB
Supported card formats
SDXC
SDHC
SD

photo & video

Camera 8 MP 8 MP
Resolution 8 MP 8 MP
Flash Yes Yes
Secondary camera 5 MP 5 MP
Video resolution 1280 x 720 @ 30 fps 1920 x 1080 @ 30 fps

cellular

Generation 4G 4G
Networks
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)

battery

Talk time (3G) 780 min 720 min
Capacity 2,600 mA·h 1,900 mA·h

form factor

Galaxy J3  vs
A3 
Weight 138 g 110 g
Thickness 7.9 mm 6.9 mm
Size 71.4 x 142.2 x 7.9 mm 65.5 x 130.1 x 6.9 mm

sensors

Has an assisted GPS Yes 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

connectivity

Acts as a wi-fi hotspot Yes No
Supports NFC Yes Yes
Bluetooth Bluetooth v4.0 Bluetooth v4.0
Samsung Galaxy J3
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Samsung Galaxy A3
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