The theory is that Apple is working on a “higher refresh rate LCD display with a new liquid motion panel” and this will have a 90Hz refresh rate, with the screen coming to the next-gen iPad Air M3, and also the iMac 24-inch and next-gen Studio Display.

Apple's refreshed M4 24-inch iMac sports a fast chip, but that isn't the only reason to upgrade. Here's how the hot new model compares to the year-old M3 iMac that it replaces. This refreshed M4 iMac replaces the M3 iMac that went on sale in October 2023.

Apple overhauled its iMac back in 2021, but since then, the company has been refreshing this all-in-one computer with new processors and not much else. This year, that's more or less the case, except there are a few small welcome additions to the latest M4-powered iMac.

Apple is updating the iMac with an M4 chip. The new iMac, announced this morning, includes an M4 chip with an 8-core CPU and up to a 10-core GPU. The entry-level model costs $1,299 with two Thunderbolt USB-C 4 ports, while the higher-end models start at $1,499 and have four ports.

The 24-inch iMac is now on the M4 chip. Here's how much of an upgrade you can get compared to the M1 original, released over three years prior.

You can get Apple's M4 chip in both sizes of the new-for-2024 MacBook Pro. What's the difference between the two versions of the flagship Mac laptop? We break it down.