It is available in an array of new colors. The new iMac features a 24-inch display with True Tone display technology. With the new 24-inch 2021 iMac, however, Apple has officially redesigned the iMac. In real-world use, however, that change has been far less notable, especially with the head-on appearance of the iMac remaining unchanged for so long. The last significant update to the iMac was the introduction of the unibody aluminum design in 2009, but even that changeover actually started in 2008.Īt the time in 2012, Apple making the side profile of the iMac ultra-slim was certainly a sleek look and hyped as a major redesign. Through these changes, the overall appearance of the iMac has stayed the same: an aluminum build with black bezels and an aluminum chin. In 2015, the iMac was upgraded with a Retina display. While the thinnest point measures 5mm, there’s still an unsightly bulge in the back to accommodate the iMac’s internals and cooling system. In October 2012, Apple redesigned the iMac with an ultra-slim side profile and removed the SuperDrive. This design has ended up shaping the future of the iMac, with Apple focusing on iterating rather than completely redesigning it.

In 2009, Apple overhauled its iMac lineup with aluminum unibody design in 21.5-inch and 27-inch variants – introducing the two screen sizes that are still in use today.

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