https://finance.yahoo.com/news/apple-imac-upgrade-123000172.html

The 21.5-inch iMac, which is the range's entry-level size, will come with an 8th-generation, 4-core Intel Core processor standard. You'll also, for the first time, be able to opt for a beefy 6-core Intel processor, which Apple says will boost performance for the iMac by a whopping 60%. Multi-core CPUs are important for things like multitasking and heavy-duty processing.

AMD) Radeon Pro Vega graphics chips. Apple says that will send graphics performance soaring by 80%." data-reactid="38">On the graphics side of things, the 21.5-inch iMac will now feature AMD's (AMD) Radeon Pro Vega graphics chips. Apple says that will send graphics performance soaring by 80%.