iMac performance is at an all-time prime with faster Intel Core processors, robust Radeon Professional 500-series graphics, Thunderbolt 3 (USB-C) connectivity, and Shocking Retina 4K and 5K presentations that shine 43 p.c brighter and improve one billion colors.
21.five-inch (diagonal) 4096-by-2304 Retina 4K display
Shocking five-mm-skinny design
Seventh-generation 3.4GHz dual-core Intel Core i5 processor
Radeon Professional 555 or 56 graphics processor with as much as 4GB video memory
Two Thunderbolt 3 (USB-C) ports
Magic Mouse 2 and Magic Keyboard