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iMac Teardown: 5K display aside, new Mac identical to 2013's model

Posted: 20 Oct 2014 ?? ?Print Version ?Bookmark and Share

Keywords:iMac? Retina? hard drive? LCD?

With the exception of the 14.7-million-pixel display, Apple's new 5K Retina iMac is virtually the same as last year's model, according to iFixit.

The website, after taking a 5K Retina iMac apart last week, gave the machine a score of 5 out of a possible 10. iFixit noted that the 5K Retina model retains the non-Retina 27in iMac's user-upgradeable RAM, which means that anyone can replace the hard drive and the Intel CPU by cutting the adhesive tape that seals the display to the frame.

For do-it-yourselfers, being able to upgrade the iMac's RAM is important because the 5K Retina iMac comes with just 8GB of memory. Customers who will want to get a memory upgrade will have to shell out $200 for 16GB and $600 for 32GB.

5K Retina Display iMac

Barring the new display, the hardware inside the iMac Intel 27in Retina 5K Display looks much the same as last year's 27in iMac. (Source: iFixit)

iFixit also tracked down the "timing controller," a display component that manages and manipulates the pixels, according to Apple. Inside the iMac, the site found a chip fabricated by Taiwan-based LCD timing controller creator Parade Technologies. iFixit assumed that the chip, marked "DP665," is "an Apple modified version of the DP663 LCD timing controller."

Parade Technologies' DP663 can support resolutions of up to 4,352,000 pixels in total, which is less than 30 per cent of the number in the iMac's display, according to Computer World.

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