Which GPU do you recommend, for editing 4k videos in FCPx, to use on my dual booth (Sierra 10.12.4, Win 10) hackintosh (mobo z170-hd3, i7 6700k, ram 32gb)? I can't decied between Radeon XFX 280x 3GB, XFX RX480 8GB or some NVIDIA ‘Pascal’ based graphics card. I need full acceleration, best bang...