This new all-in-one iMac desktop is the next step in desktop evolution. It is not only extremely elegant and compact, but also offers possibilities that were never available before. The 27” Retina 5K display gives you one billion colors and 500 nits of brightness to see even the tiniest of details. You will be thrilled to do your image or video processing or drawing on this machine, as it is the best Mac Retina display you have ever seen. In comparison with the previous model, its processing power has increased by up to 2.4 times, and the graphics processing speed by 50%. The new macOS Mojave brings an array of new inspirational features that organically connect with your iPhone, even allowing you to type your text messages on the desktop. Of course, the extremely useful macOS software that you have already grown accustomed to, has also been pre-installed.