Retina display; 13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 native resolution at 227 ppi; supports millions of colors. Supported scaled resolutions: 1680 by 1050, 1440 by 900, 1024 by 640; 500 nits brightness; Wide color (P3)
Processor
2.3GHz dual-core Intel Core i5, Turbo Boost up to 3.6GHz, with 64MB of eDRAM; Configurable to 2.5GHz dual-core Intel Core i7, Turbo Boost up to 4.0GHz, with 64MB of eDRAM
Storage
256GB
Memory
32 GB of 2133MHz LPDDR3 onboard memory; Configurable to 16GB of memory
Graphics
Intel Iris Plus Graphics 640
Charging and Expansion
Two Thunderbolt 3 (USB-C) ports with support for Charging, DisplayPort, Thunderbolt (up to 40Gb/s), USB 3.1 Gen 2 (up to 10Gb/s)
Keyboard and Trackpad
Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys including 12 function keys and 4 arrow keys; Ambient light sensor; Force Touch trackpad for precise cursor control and pressure-sensing capabilities
Simultaneously supports full native resolution on the built-in display at millions of colors; One display with 5120-by-2880 resolution at 60Hz at over a billion colors; Up to two displays with 4096-by-2304 resolution at 60Hz at millions of colors; Up to two displays with 3840-by-2160 resolution at 60Hz at over a billion colors; Thunderbolt 3 digital video output; Native DisplayPort output over USB-C; VGA, HDMI, DVI, and Thunderbolt 2 output supported using adapters (sold separately)
Audio
Stereo speakers with high dynamic range; Two microphones; 3.5 mm headphone jack