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Crossfire RX Vega 64 - Prim shaders - HBCC

Question asked by rellith on Oct 19, 2017
Latest reply on Dec 17, 2017 by xmr

So after a week or two playing around with RX Vega 64's it took a little bit of time to work out some of the issues as to why i couldn't get them to work in games.
Now that i have that out of the way I've noticed that if i have any of the 3 presets the cards play nice with with each other and games in turn run fantastic. However the moment i touch any overclocks the cards still run stable but i start to get frame dips and both cards fluctuate in power even if i undervolt them.


Am i missing something that has not been apparent in past CF configs? and if its possible to have HBCC on with CF or is that something that will only work with one card? I also keep hearing Prim shaders is something that is not quite running at the moment is there any truth to that and if so can i be pointed in a direction to do some reading on it?


Thank you.