Recently Apple released its second update to the 15-inch MacBook Pro with Retina display. These Late 2013 MacBook Pros keep the same 2880 by 1800 resolution Retina display as its predecessor, but use the latest quad-core Haswell processors, Iris Pro graphics and PCIe connected flash.Externally identical to the 4.46 pound, 15-inch models released in February 2013 and June 2012, the changes to this edition of the MacBook Pro are all beneath the aluminum surface. You'll find Intel's fourth generation Core processors (Haswell)--specifcally, a quad-core 2.0GHz Core i7 in the $1999 laptop and a quad-core 2.3GHz Core i7 in the $2599 model. They replace the 2.4GHz and 2.7GHz quad-core Ivy Bridge processors, repsectively, that powered the systems that
