With iMac graphics cards, Apple offers solutions from AMD and Intel. By doing so, the Mac intelligently manages what goes where using the SSD storage for files you access frequently and keeping the rest of your digital life on the roomier hard drive. And because SSD storage uses no moving parts, there's no noise.īy contrast, a Fusion Drive combines the speed of SSD storage with a high-capacity hard drive. SSD storage delivers improved performance compared to a traditional hard drive. The 21.5-inch model still offers a Fusion drive. When it comes to purchasing storage for your iMac, Apple has recently removed all choices except for SSD, at least on the 27-inch model. It ships with at least 8GB of RAM, which you can increase at the time of purchase to 16GB or 32GB.

The 21.5-inch iMac, regardless of model, comes with non-upgradable RAM. The 27-inch model comes with at least 8GB of RAM, which you can expand to 16GB, 32GB, 64GB, and 128GB of RAM. One of the few exceptions is the 27-inch iMac, which still offers users the ability to replace and upgrade RAM. In recent years, Apple has made it nearly impossible to update its computers after purchase. 3.6GHz 10-core 10th-generation Intel Core i9 processor (Turbo Boost up to 5.0GHz).3.8GHz 8-core 10th-generation Intel Core i7 processor (Turbo Boost up to 5.0GHz).3.3GHz 6-core 10th-generation Intel Core i5 processor (Turbo Boost up to 4.8GHz).

3.1GHz 6-core 10th-generation Intel Core i5 processor (Turbo Boost up to 4.5GHz).The 27-inch iMac offers four processor varieties: There's also the most expensive 21.5-inch model that includes a 3.0GHz 6-core Intel Core i5 processor with a Turbo Boost up to 4.1GHz that's configurable up to 3.2GHz 6-core Intel Core i7 (Turbo Boost up to 4.6GHz). The least expensive 21.5-inch 4K version comes with 3.6GHz quad‑core Intel Core i3 that's configurable up to 3.2GHz 6-core Intel Core i7 (Turbo Boost up to 4.6GHz). The entry-level 21.5-inch comes with a 2.3GHz dual‑core Intel Core i5 with a Turbo Boost up to 3.6GHz.

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