So I have a Lenovo Y540 laptop with a 1660 Ti and I think I have narrowed down my fps dropping problem to the GPU memory clock speeds. I have even undervolted my cpu and both gpu and cpu aren't getting very hot. When I experience an fps drop the memory clock drops from 6000mhz to 810mhz suddenly, the core clock stays about the same. Does anyone have any suggestions on how to fix this?