Samsung's Galaxy S 4

Key Fact
U.S. carriers : AT&T, Sprint, T-Mobile, Verizon, U.S. Cellular, Cricket
U.S. release date : End of April 2013
Operating system : Android 4.2.2 (Jelly Bean)
Wireless : LTE
Dimensions : 5.38" x 2.75" x 0.31"
Weight : 4.59 oz
Display
Diagonal length : 5"
Pixels : 1920 x 1080
Pixels per inch : 441

Camera
Rear 13 MP
Front 2 MP
Video capture 1080p
Memory
Internal storage 16 GB, 32 GB, 64 GB version + micro SD card up to 64 GB
RAM 2 GB
Battery
Capacity 2,600 mAh
Maximum talk time Unavailable
Maximum standby time Unavailable
Processor
System chip : *Qualcomm Snapdragon Fusion Pro or Samsung Exynos 5 Octa
Processor core :  quad
CPU speed : *1.6 GHz (Samsung chip) or 1.9 GHz (Qualcomm chip)

Special Features 
Eye movements control the screen and pause video; simultaneously use front and rear cameras; 'Group Play' allows users to share content, such as simultaneously playing the same song; change music, scroll pages or accept calls by hovering fingers over device

*Chip and CPU speed are dependent on market.