Operating System
macOS High Sierra
Processor
2.8GHz quad-core Intel Core i7, Turbo Boost up to 3.8GHz, with 6MB shared L3 cache
System Memory
16GB of 2133MHz LPDDR3 onboard memory
Storage
512GB
Graphics
Radeon Pro 555 with 2GB of GDDR5 memory and automatic graphics switching
Display
Retina display
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
Wireless
802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible
Battery
Up to 10 hours wireless web
Up to 10 hours iTunes movie playback
Up to 30 days of standby time
Built-in 76.0-watt-hour lithium-polymer battery
87W USB-C Power Adapter
Weight
4.02 pounds (1.83 kg)
