Which tapered edge imac have video processors with dedicated memory? Cpu shootout between four flavors of 'late 2015' imac and some 5120x2880 gpu results. Windows if you notice graphics issues while playing world of warcraft, make sure your video drivers are up-to-date. Please note this device comes without a stand, but is vesa compatible ready for another mount or stand. It should be based on the the old pitcairn chip e.g. Will post experiences from the gpu when it has arrived. Hope amd relesese a mobile graphics drivers. Download Now AMD RADEON R9 M380 IMAC DRIVER