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.

Following the iPad mini launch last week and a tease about Mac announcements for this week, Apple indeed made three key Mac product

Apple announced the new M4 iMac and it looks like a substantial upgrade. One of its new features is its boosted external display support. On the 10-core M4 iMac models, the external display support is impressive on paper. Here’s what the $1,499, $1,699, and $1,899 iMacs can do with external displays over Thunderbolt: