Features Key features of the Galaxy S4  vs J3 

screen size

screen resolution

Galaxy S4
1920 x 1080
Galaxy J3
1280 x 720

memory

Galaxy S4
2 GB
Galaxy J3
1.5 GB

processor

Galaxy S4
Quad core
Galaxy J3
Quad core

camera resolution

Galaxy S4
13 MP
Galaxy J3
8 MP

Differences What are the advantages of each

Back view of Samsung Galaxy S4

Reasons to consider the
Samsung Galaxy S4

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Store significantly more stuff 64 GB vs 8 GB 8x more storage capacity; free yourself from memory cards
Significantly faster processor 1.9 GHz vs 1.2 GHz Around 60% faster processor; run computation-intensive applications, such as photo editing, faster
Significantly sharper screen 440 ppi vs 293 ppi More than 50% sharper PPI; enjoy photo-realistic, crisp images
Significantly higher resolution 1920 x 1080 vs 1280 x 720 2.2x higher resolution
Higher resolution front camera 13 MP vs 8 MP Around 65% higher resolution front camera; Video chat with other people
Slightly lighter 130 g vs 138 g More than 5% lighter
View of Samsung Galaxy J3

Reasons to consider the
Samsung Galaxy J3

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PhoneRocket is not aware of any important advantages of the Galaxy J3 vs the Galaxy S4.

Specifications Full list of technical specs

screen

Galaxy S4  vs
J3 
Type AMOLED AMOLED
Size 5" 5"
Resolution 1920 x 1080 1280 x 720
Multitouch Yes N/A
PPI 440 ppi 293 ppi

hardware

Clock speed 1.9 GHz 1.2 GHz
Number of cores Quad core Quad core
RAM 2 GB 1.5 GB
Internal storage 64 GB 8 GB
Supported card formats
microSD
SDXC
SDHC
SD

photo & video

Camera 13 MP 8 MP
Resolution 13 MP 8 MP
Flash Yes Yes
Secondary camera 2 MP 5 MP
Video resolution 1920 x 1080 @ 30 fps 1280 x 720 @ 30 fps

cellular

Generation 4G 4G
Networks
EDGE (0.38 Mb/s)
LTE (20 Mb/s)
HSPA (unspecified)
UMTS (0.38 Mb/s)
GPRS (0.01 Mb/s)
GSM (0.01 Mb/s)

battery

Talk time (3G) 1,020 min 780 min
Capacity 2,600 mA·h 2,600 mA·h

form factor

Galaxy S4  vs
J3 
Weight 130 g 138 g
Thickness 7.9 mm 7.9 mm
Size 69.8 x 136.6 x 7.9 mm 71.4 x 142.2 x 7.9 mm

sensors

Has an assisted GPS Yes Yes

music

Supports FM radio No No

software

Operating system Android 5.0 Android 6.0
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 Yes
Supports NFC Yes Yes
Bluetooth Bluetooth v4.0 Bluetooth v4.0
Samsung Galaxy S4
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Samsung Galaxy J3
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