I also tried decreasing various settings like render resolution in the headset and resolution in game but the performance remains fairly similar when using VorpX (I suppose resolution is mostly a GPU / VRAM thing). My question is, though: is a 43% decrease in FPS normal in Z3D? I know G3D has to basically produce 2 different images so your framerate is pretty much cut in half compared to VorpX off, but isn’t -43% a lot for Z3D? I read somewhere that VorpX mostly increases the workload of the CPU, so I guess it’s normal to see a performance degradation in a CPU-bound environment like Forza. Normally the game is clearly CPU-bound, as my GPU utilization never even reaches 80%. My CPU is a Core i7-9700KF GHz, GPU is 3070Ti. The game I tested deeply so far is Forza Horizon 4 (DX12): keeping the same exact settings, in the same exact spot I get 185 FPS without VorpX and 105 with VorpX.Īll settings are on max except the ones that impact CPU, which are set at minimum (1080p in game res, 3200×1632 on Quest 2). The fact is that I can’t quite reach 120 FPS in game despite using Z3D on default settings.
I’m trying to fully utilize the 120 Hz refresh rate of the headset as I’m really sensitive to low frame rates (I play Rocket League competitively on an eSports monitor in 240 Hz).
I recently upgraded my Oculus Rift CV1 to a Quest 2, used with Link cable for PCVR.
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