The introduction of the new iMac along with the Intel-based MacBook Pro was the start of the Mac transition to Intel processors.

5.1 Specifications of Slim Unibody iMacsĪt the Macworld Conference and Expo on January 10, 2006, Steve Jobs announced that the new iMac would be the first Macintosh to use an Intel CPU, the Core Duo.

2.1 Specifications of Polycarbonate iMacs.

The 27-inch model was discontinued on March 8, 2022, following the announcement of the Mac Studio and 27-inch Apple Studio Display.

On April 20, 2021, Apple discontinued the 21.5-inch Intel iMac with 4K Retina Display following the release of a 24-inch model based on the Apple M1 processor, and discontinued the remaining non-Retina models in October 2021. The Intel-based iMac was succeeded by the iMac with Apple silicon beginning in 2021 as part of the Mac transition to Apple silicon.

The iMacs released in October 2012 also featured a much thinner display, with the edge measuring just 5 mm. The October 2009 iMac model featured a unibody aluminum enclosure, a version of which can still be seen on the current model. Pre-2009 iMac models featured either a white polycarbonate enclosure or an aluminum enclosure.

It was sold alongside the Xeon-based iMac Pro from 2017 to 2021. While sold, it was one of three desktop computers in the Macintosh lineup, serving as an all-in-one alternative to the Mac Mini, and sat below the performance range Mac Pro. The Intel-based iMac is a discontinued series of Macintosh desktop computers designed, manufactured and sold by Apple Inc.

Late 2013 imac 21.5 ram upgrade