I have come across this thread linked to me by a friend and downgraded my drivers using DDU to 398.36.
My setup is a gtx 1080, i7 2600 (non-k), 16gb 1866mhz RAM and the game runs a lot better for me.
Where I used to get 55~ FPS in Astera with extremely high CPU loads in the 90s, I now get up to 100 FPS and 50-60% loads. Where I used to get absolutely terrible framerate (Ancient Forest, first area while it rains, 35-45 FPS) I now get a more stable 55 and up to 85-90 depending on where exactly I look and currently am. My CPU usage used to be around 85-95% on every single core and now it is only 55-70%. This is a huge difference.
Usually, these driver downgrades that magically fix performance issues never work out for me so I went in with little expectations after reading this steam discussion thread, but oh baby has this stuff improved for me.
I hope it works for you guys and fixes performance issues you might have. Remember to use Display Driver Uninstaller to uninstall drivers, as always.
EDIT: It seems to me that this is way more useful for people that suffer from a CPU bottleneck. So if you have a strong GPU but can't reach the numbers you're supposed to and have huge CPU loads, downgrading drivers might just get rid of your problem and increase your performance significantly.
If you however are bottlenecked by your GPU, it might be a better idea to stay on the latest drivers. It's worth trying though.
© Post "PSA: Nvidia 398.82 drivers (MHW Game Ready Drivers) seem to cause a lot of issues with performance" for game Monster Hunter World.
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