iMac 21.5-inch 2.3GHz dual-core i5 with Intel Iris Plus Graphics 640
21.5-inch iMac 3.6GHz quad-core with Retina 4K display
21.5-inch iMac 3.0GHz 6-core with Retina 4K display
27-inch iMac with Retina 5K display 3.1GHz 6-Core 256GB Storage Radeon Pro 5300
27-inch iMac with Retina 5K display 3.3GHz 6-core Radeon Pro 5300
27-inch iMac with Retina 5K display 3.8 - 3.6GHz / Radeon 5500 XT (8GB)
