Since there's already a thread on Gameworks, I might look for some input here.
Currently when running The Witcher 3, everything maxed out at 4k resolution I'm getting about 36-37 fps on a single 980Ti.
This is with Hairworks on, 8x Hairworks AA and preset set to High.
Now, if I turn Hairworks off, I get 40 fps.
That's 3 fps difference.
So what are all these reviews saying about losing 40% of fps when you activate Hairworks?
Probably depends on the driver and if any Witcher 3 patches were installed. The latest drivers and patches have solved most of the performance issues with hairworks.