HP Pavilion Touchsmart - Windows 8.1. Intel Core i3-4005U processor. 15.6" diagonal HD BrightView LED backlit touchscreen display. Up to 4 hours and 15 minutes of battery life. 4GB DDR3L SDRAM. 750GB hard drive with HP ProtectSmart Hard Drive Protection. AMD Radeon HD 8510G graphics with up to 3171MB total graphics memory. Full size island style keyboard with numeric keypad. SuperMulti DVD burner. Intel 1x1 802.11ac WLAN.