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Hmm. Well, Novideo normally doesn't affect gamma unless specifically enabled, but ACM does and uses sRGB curve. So I would guess that ACM is more accurate.

I have Acer XB273UNX, which supports official overclocking to 275 Hz. But I noticed that going to 275 Hz results in significantly worse gamma curve. Is this normal?

As far as I understand it, both tools are using EDID to clamp the color gamut to sRGB. But the weird thing is that they both give different result, with ACM being slightly less saturated. How is this possible? And which one is more correct?

Here is video: https://youtu.be/nc4dd7mZnuY

Closely watch the shadows one ground. This appears like stroboscopic effect. But the weird thing is that after restarting the engine, it's smooth again. Until it breaks again at some point. I observed the same thing in other games and only in the lower ...

OK, now this is interesting. I am testing this in Back 4 Blood and I noticed that if I limit the framerate to just 144 FPS, I can no longer notice the effect. In other words: the higher the framerate, the more noticeable it becomes. But according to article about the effect, it should be the other ...

EDIT: Nevermind. My dumb ass just forgot to disable ULMB in drivers. Oops.

Damn. Oh well. Thank you for the confirmation.

https://www.youtube.com/shorts/QZ6KIB79-Kk

Still screenshot: https://imgur.com/a/4UgzCl2

The monitor in question is Acer Predator XB273UNX. I see this effect everywhere, but only on fast moving objects, be it scrolling web sites or gaming. And it is annoying as hell. I assume that there is nothing ...