Sony PS Vita [New Slim 2014 version] (PlayStation Vita) – [Edizione: Regno Unito]
PS Vita Slim is 15mm thick, while the PS Vita is 18mm
It weighs a bit less at 219g to the original's 260g
PS Vita Slim has a 5-inch IPS LCD display rather than the PS Vita's 5-inch OLED panel
Vita Slim is capable of up to six hours of play time compared to three to four hours for the orignal model.
The PS Vita Slim has 1GB of storage space in-built, so you can technically play any physically bought games from the off.