Dell XPS 15z comes with the 2nd generation Intel Core i5 or i7 processors, a brilliant 15.6-inch WLED display with a Full HD option that has almost two times the HD resolution of standard HD displays, NVIDIA graphics with 3DTV play capabilities, built-in WiFi, Bluetooth 3.0, USB 3.0 and a backlit keyboard for those who likes to work in the dark.