HP ENVY TouchSmart 15.6&rdquo; HD Touchscreen, Intel Core i7-4700MQ ,12GB DDR3, , 1TB HDD, Beats Audio, Backlit Keyboard, Bluetooth with WiDi, Windows 8 64-bit Operating System - Windows 8 64-bit Microprocessor - 2.4GHz 4th generation Intel Core i7-4700MQ Processor with Turbo Boost up to 3.4GHz Memory - 12GB DDR3 SDRAM (2 DIMM) Video Graphics - Intel HD graphics 4400 Display - 15.6-inch diagonal HD BrightView LED-backlit touchscreen display (1366x768)