Samsung prides itself in the differentiation the AMOLED screen technology brings to its high- ends, and it has indeed achieved the unthinkable with the Galaxy S 4 this time around - a five-inch panel with the amazing for AMOLED screen 441ppi pixel density. .
Big display (5.0 inches) .
High- resolution display (1080 x 1920 pixels) .
Extremely high pixel density screen, over 430ppi (441 ppi) .
Quad core processor
.Lots of RAM
(2gb RAM)
Fast mobile data support(4G)
HDMI connector for TV-out (via microUSB)
Octa-Core Exynos 5 Octa Processor.. Giving out free black back cover and extra battery.