Check out our review of the most powerful iMac that one can build. We get a new 5K Retina display with ambient light feature to start with. The Intel 10th generation processor can now be customised up to 10 cores! The iMac also has the latest generation of AMD graphics on board. All this are a part of plethora of changes made to the latest iMac. Do all these changes make the iMac the ultimate machine? Find out in our review.