Can not run at full clock on RTX 50 GPU

[edisonchan]

The GPU clock is 8xxMHz only when running with RTX 5090 GPU.

vsync was disabled in nvidia driver cp.

The command line is:

RayTracer.exe --benchmark --width 3840 --height 2160 --fullscreen --samples 1 --bounces 1   --scene 1 --next-scenes --present-mode 0
...
RayTracer.exe --benchmark --width 3840 --height 2160 --fullscreen --samples 1 --bounces 32  --scene 1 --next-scenes --present-mode 0
...
RayTracer.exe --benchmark --width 3840 --height 2160 --fullscreen --samples 16 --bounces 32  --scene 1 --next-scenes --present-mode 0