The Samsung Galaxy S4 is an packs a 5-inch Full HD ( 1920* 1080 pixels) Super AMOLED display at 441ppi, powered by a Octa 5 8-core CPU clocked at 1.6GHz, PowerVR SGX544 GPU and runs on Android 4.2 ( Jelly Bean) . It has a 13MP rear camera with LED Flash, Full HD video recording and a 2MP front-facing camera. It has unique features including Smart Pause , Smart Scroll, S Translator, S Travel ( Trip Advisor) , S Voice Drive, S Health and lots more. It also has dual camera ( Dual Shot, Dual Recording, Dual Video Call) .