Dirt Rally... awesome game! Fact.
VR takes it to a new level. So immersive. That said, in order to get 90 frames out of it I have to put the graphics settings on ultra low. If I up it fractionally I can get 50-70 frames (fluctuating). If I make it look vaguely decent I'm locked at 45 frames and experience stuttering which ruins the immersion. I can normally get a great FPS when I play on a monitor.
I have an i5 (a year and half old), 8 Gb RAM and an overclocked MSI 1080 Gaming X Plus. My GPU usage seems to sit at about 45% in game, but my CPU usage in game can hit 87% but usually hovers between 60-80. Tinkering with the OTT and keeping the SS at 1 or having it at 1.4 doesn't seem to make much difference.
Does anyone know if Dirt Rally in VR mode just notoriously hard to please, or am I bottlenecking with my CPU? Could that be causing the low frames and stutter? Speaking with other Rift Dirters they seem to be able to hit the high FPS, many locked at 90 FPS and the only difference I can see is that fact they have i7's. With 45% usage on my GPU in game, it's got a lot more to give.
Cheers for any help and advice you can offer.