‘Smooth Frame Rate’ (under ‘General Settings’) causes single stutter every ~0.5s. It can be fixed by limiting FPS (to e.g. 60) by ‘Fixed Frame Rate’ parameter or via ‘t.maxfps 60’ console command - but this, on the other hand, causes stuttering every ~20 seconds for around ~3 seconds! I’m testing …

Limiting FPS causes stuttering + 'Smooth Frame Rate' problem

Tim_Hobson (Tim_Hobson) June 27, 2016, 6:04pm 2

Hey Slavq,

This posted answer here by Eric can help you understand how VSync and Smooth Frame Rate work together.

-Tim