Which denoiser should I use? Does it matter? 1. View Layer Properties Denoiser OR 2. the Intel Open Image Denoise --> which I know is quite powerful. So why use the denoiser under View Layer Properties at all? Is there a link someone could give so I can better understand the technical side of these denoisers?
Does it matter if I turn both on? (shown in image).

enter image description here

Then there is the third option 3. Render Properties> Denoise> Render ie. OptiX enter image description here

For now also thankful there is options.


I made a short 20 sec video and there seems to be some blotchiness/ jitter. I did lower the Sampling to 25 so I assume that's it. Wondering if someone can take a look?? I share through obviously email for quality sake.


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