Shut down web browsers, Discord, game launchers, and recording software so they do not steal GPU resources.
Open the NVIDIA Control Panel, navigate to "Manage 3D Settings," and ensure your Power Management Mode is set to "Normal" or "Prefer maximum performance." nvidia benchmark download
Run your chosen benchmark (e.g., 3DMark Time Spy) at completely stock settings first and save the score sheet. Shut down web browsers, Discord, game launchers, and
Monitor maximum temperatures to ensure your GPU cooling shroud, thermal paste, and case airflow are working efficiently. Shut down web browsers
Press (or Alt + R) in-game to bring up the Performance Overlay.