The 27-inch iMac 5K was announced as a significant revision ... to house the internal components and a prominent chin under the screen. Despite a pixel-dense screen and ever-more-powerful graphics ...

Original story: A late-2014 display hooked to an early 2012 GPU The GPU powering the 27-inch iMac with Retina 5K display is the R9 M290X, with the R9 M295X offered as an optional upgrade.

It’s also the perfect accompaniment to the Mac mini and for those wanting a big screen, it’s a far better choice than the current iMac lineup. The 5K display looks stunning and the design is ...