Retina display. 13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 native resolution at 227 pixels per inch with support for millions of colors. Supported scaled resolutions: 1680 by 1050, 1440 by 900, 1024 by 640, 300 nits brightness. Standard color gamut (sRGB). 900:1 contrast ratio.
3.1GHz dual-core Intel Core i7 (Turbo Boost up to 3.4GHz) with 4MB shared L3 cache.
16GB of 1866MHz LPDDR3 onboard memory, 1TB PCIe-based flash storage
Intel Iris Graphics 6100. Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on up to two external displays, both at millions of colors.