Intel Core i7 2.8GHz ,Turbo Boost up to 3.8GHz with 6MB shared L3 cache
Graphics
AMD Radeon Pro 555 2GB GDDR5
Display Screen
15.4-inch (diagonal) LED-backlit display with IPS technology; 2880-by-1800 native resolution at 220 pixels per inch with support for millions of colors
Main Memory
16GB LPDDR3 2133MHz onboard memory
Storage
256GB PCIe-based onboard SSD
Web Camera
720p FaceTime HD camera
Sound Technology
Stereo speakers with high dynamic range
Three microphones
3.5 mm headphone jack