You must be using V-Sync with ULMB, and the framerate needs to be equal to the refresh rate.I've been messing around with ULMB and I'm confused with all the advice around it. Does anyone know if its worth using if I get drops to 80fps and what if the framerate is limited to 125, instead of the required 120hz.
I've been back and forwards with gsync and ulmb and I cant really be sure I can tell the difference, in warframe at least.
If it is not, the game will stutter badly or you will see double-images when things move across the screen.
That's largely why I don't find ULMB useful with its current restrictions on refresh rate.