Low performance with 4070 Super and 7800X3D

Your main thread is pretty high and this seems to be the limiting factor. You may want to take a look at this thread for details about each setting and their impact on CPU or GPU performance. I would suggest starting with settings that have the greatest impact on CPU first.

And this is a chart on Reddit of FPS impact by setting:

https://www.reddit.com/media?url=https%3A%2F%2Fpreview.redd.it%2Ffs2020-settings-impact-on-fps-its-been-around-for-a-while-v0-5z2zugwk3b0c1.png%3Fwidth%3D850%26format%3Dpng%26auto%3Dwebp%26s%3D0bdaa2a12b1cb76609a42c2a761784080d52c05d