EVGA's Precision X1 overclocking tool recently received a major update that overhauls the VF (voltage-frequency curve) editor, as well as a way to synchronize the in-app frame limiter with the frame limiting option in the NVIDIA control panel.
https://www.notebookcheck.net/EVGA-s-Precision-X1-overclocking-gets-an-overhauled-voltage-frequency-curve-tool-to-help-NVDIIA-gamers-achieve-stable-overclocks.578695.0.html