: Turn off V-Sync in the in-game settings to avoid additional input lag and potential caps.
Set MaxSmoothedFrameRate to your desired refresh rate (e.g., or 240 ). Save the file and set it to Read-only as described above. Additional Performance Tweaks outlast fps unlock
Find bSmoothFrameRate=TRUE and change it to bSmoothFrameRate=FALSE . : Turn off V-Sync in the in-game settings