Current 15-inch MacBook Pros are available with either a discrete Radeon Pro 555X with 4GB GDDR5 or a Radeon Pro 560X with 4GB GDDR5 (this is in addition to the integrated Intel UHD Graphics 630). The. Apple 15 Inch MacBook Pro Laptop (Retina Display, 2.2GHz Intel Core i7, 16GB RAM, 256GB Hard Drive, Intel Iris Pro Graphics) Silver, MJLQ2LL/A Apple dropped Intel’s integrated Iris Pro graphics in favor of dedicated…