Apple's 2021 iMac redesign with ARM-based processors will not arrive until October
Last month, Mark Gurman, writing for Bloomberg, reported that Apple planned to release two new iMacs this year, codenamed J456 and J457. While Apple has treated its iMac series conservatively for almost a decade, Gurman alleged that the J456 and J457 would sport a redesign resembling the Pro Display XDR monitor. If that is the case, then Apple's 2021 iMac refresh should have a much higher screen to body ratio than its predecessors with the first major design overhaul since 2021.
Gurman suggested that Apple would unveil the J456 and J457 sometime in 2021, but would not commit to a March launch date as one leaker did last month. However, another leaker now claims that these redesigned iMacs will not debut until October 2021, possibly just a month after the release of the next iPhone series. According to @LeaksApplePro, Apple will not release any iMacs in March. As usual, we would take this information with a pinch of salt, as @LeaksApplePro has not always been correct with all their past predictions.
The 2021 iMac refresh is expected to feature Apple Silicon too, which would be a first for the company's all-in-one desktop. It is unclear how many processor cores 2021 iMac's will have, but it is believed that Apple will equip them with at least twelve, four more than the volume found in the Apple M1. There is a chance that Apple will use a 32-core chip in its iMac refresh, but these are believed to land first in the next Mac Pro. Face ID is reputedly planned, also, although not for a few years yet.