1.6 GHz dual-core Intel Core i5 (Turbo Boost up to 2.7 GHz) with 3 MB shared L3 cache 4 GB of 1600 MHz LPDDR3 RAM; 256 GB PCIe-based flash storage 13.3-Inch (diagonal) LED-backlit Glossy Widescreen Display, 1440 x 900 resolution Intel HD Graphics 6000 OS X Yosemite, Up to 12 Hours of Battery Life