Apple announced iMac upgrades today, with up to 8-core Intel processors and Vega graphics available.
The 21.5-inch iMac features an 8th-gen quad-core processor, with an option to add a 6-core processor, which gives you 60% faster speeds than the previous model. Meanwhile, the 27-inch iMac has the 9th-gen 6-core and 8-core processor options, which is 2.4 times faster than before.
For the first time, Radeon Pro Vega graphics are available for the iMac. On the 21.5-inch this means up to 80% faster performance, and up to 50% faster on the 27-inch.