What are the differences between the White iMac "Core 2 Duo" models?: EveryMac.com
Apple iMac 21.5-inch Retina 4K Display - Core i3 Processor/1TB
Core i9-10900K in a 27-inch iMac: Intel and Apple could combine to offer the world's fastest gaming processor in a refreshed all-in-one - NotebookCheck.net News
iMac 17″ Intel Core Duo – Apple Rescue of Denver
Which iMac Is Your iMac? Intel Vs. M1 Desktops Compared