Display 15.4" color widescreen LED-backlit display with IPS technology with a 2880 by 1800 native resolution at 220 ppi Memory 512GB SSD - 16GB RAM Platform "Fourth Generation" Intel Mobile Core i7 "Haswell/Crystalwell" (I7-4870HQ) processor which includes four independent processor "cores" on a single silicon chip Operating System Mac OS Battery 99.5-watt-hour lithium-polymer battery Dimensions 0.71 x 14.13 x 9.73 In inches while closed - height by width by depth