Certainly there is something very wrong in Vega chips but I'm not sure if driver or hardware side, from a raw power perspective it should be a lot faster(at least on windows) in most games.
So my guess is either the graphics part of the chip cannot keep feeding the shader cores fast enough or the driver have a helluva bunch of optimizations turned off(or at least require explicit game code support) hence reaching those FPS per Watt on pure brute force with a Fiji ish driver for launch.
For linux is great but more and more the chip seem capped somehow vs its raw compute power, I guess with time will improve a freaking lot, for now I need to start saving for an 1920x or 1900x and an rx56
So my guess is either the graphics part of the chip cannot keep feeding the shader cores fast enough or the driver have a helluva bunch of optimizations turned off(or at least require explicit game code support) hence reaching those FPS per Watt on pure brute force with a Fiji ish driver for launch.
For linux is great but more and more the chip seem capped somehow vs its raw compute power, I guess with time will improve a freaking lot, for now I need to start saving for an 1920x or 1900x and an rx56
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