The MacBook Pro "Core i7" 2.9 15-Inch (Mid-2017 Retina Display, Touch Bar, Four Thunderbolt 3 Ports) is powered by a 14 nm, 7th Generation "Kaby Lake" 2.9 GHz Intel "Core i7" processor (7820HQ), with four independent processor "cores" on a single silicon chip, an 8 MB shared level 3 cache, 16 GB of onboard 2133 MHz LPDDR3 SDRAM and 512 GB of onboard flash storage (RAM cannot be upgraded at the time of purchase, but the flash storage could), and dual graphics processors -- an AMD Radeon Pro 560 with 4 GB of dedicated GDDR5 memory and an integrated Intel HD Graphics 630 graphics processor that shares memory with the system. .
