The 21.5-inch display supports 4K or ultra-high-definition resolution and comes with either an 8th-generation quad-core or 6-core processor and up to 3TB Fusion Drive, 2TB SSD, and 64GB of RAM. The 27-inch monitor boasts a stunning 5120-by-2880 resolution and lets you choose between a 9th-generation six-core or 8-core processor and up to 3TB Fusion Drive 2TB SSD, and 64GB of RAM. Both the 21.5” and 27” displays feature the new Radeon Pro 500X series graphics that make images leap out of the screen in full color and real-time rendering.