The MacBook Pro "Core i7" 2.8 15-Inch (Dual Graphics - Mid-2014 Retina Display) features a 22 nm "Haswell/Crystalwell" 2.8 GHz Intel "Core i7" processor (4980HQ), with four independent processor "cores" on a single silicon chip, a 6 MB shared level 3 cache, 16 GB of onboard 1600 MHz DDR3L SDRAM (which cannot be upgraded later), 1TB of flash storage (NVMe SSD Samsung Branded) for the standard MGXG2LL/A configuration), and dual graphics processors -- a NVIDIA GeForce GT 750M with 2 GB of dedicated GDDR5 memory and an integrated Intel Iris 5200 Pro graphics processor with 128 MB of "Crystalwell" embedded DRAM (and shared system memory). It also has an integrated 720p FaceTime HD webcam and a high-resolution LED-backlit 15.4" widescreen 2880x1800 (220 ppi) "Retina" display in a case that weighs just less than 4.5 pounds (2.02 kg). It does not have an internal optical drive.