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Prepare to greet new Retina display-wearing iMacs at Apple’s October 16 event

Update by Konrad Krawczyk 10/15/14 2:42 p.m. ET: Ming-Chi Kuo, an analyst with KGI securities, claims that 27-inch iMacs with Retina displays will begin to ship sometime before the end of this year.

However, Kuo also cautions that the 21.5-inch version of the iMac with Retina displays won’t be available until some point during the second half of next year. That delay, according to Kuo, is due to the difficulties associated with creating two high-resolution screen panels with different sizes simultaneously.

Update by Konrad Krawczyk 10/8/14 1:33 p.m. ET: Apple has sent out invites to an event that will be held on October 16, where the tech giant is expected to reveal 27-inch iMacs with Retina displays, and possibly launch OS X Yosemite. Refreshed Mac mini desktops could also make an appearance. The showcase is also expected to feature reveals of the iPad Air 2, and the iPad Mini 3 as well.

However, a new 12-inch MacBook Air with Retina isn’t expected to arrive until sometime in 2015, recent rumors indicate.

The event will be held at the company’s Cupertino HQ in its Town Hall auditorium.

Original story

It may be that time again. Apple is set to unveil new Retina iMac desktops, along with a full launch of OS X Yosemite at an event that’s to be held on Thursday, October 16, a report from Re/code indicatesNew iPad announcements are expected to spearhead the event as well.

Related: Mac OS X Yosemite preview and impressions

Retina iMac rumors compiled by 9 to 5 Mac don’t confirm what the unannounced computer’s display resolution will be precisely, but it could lie anywhere between 4,096 x 2,304, and 6,400 x 3,600. For what it’s worth, 4K resolution displays are rated at 3,840 x 2,160. Also, it’s worth noting that the recently revealed DisplayPost 1.3 standard supports 5K displays with resolutions up to 5,120 x 2,880.

The updated iMacs are widely expected to receive new processors as well, and we wouldn’t be surprised if they were powered by Intel’s new fifth-generation Core M chips, which are fanless, permitting companies that use them to make thinner and lighter machines.

An upgrade that Digital Trends expects to see in these unannounced iMacs is a boost to the graphics cards. Right now, Apple’s iMac lineup features Nvidia’s 700M series of graphics chips across the board, despite the fact that Nvidia launched its 800M series graphics chips months ago.

Related: How to send text messages and make phone calls with Mac OS X Yosemite

Plus, rumors indicate that Nvidia may launch 900M-series chips as soon as sometime this month. If that does occur, it wouldn’t be unreasonable to think that they could show up in new iMacs.