I created a picture guide to getting your cards "supported" status and acceleration. The 460 and 470 cards seem to be the most stable and the XFX 480 8gb reference model I have tested is unstable and tends to bug out of Uningine Benchmark. There are people working on solutions for the 480 cards using the 9500 kext, but this guide uses the 4000kext modification which is quick and easy and clearly works for the **460 and 470 models. The RX 480 will get support with this method and maybe...
Enabling AMD RX 4XX cards in Sierra.
Enabling AMD RX 4XX cards in Sierra.