Here is an extreme test of Optix temporal denoising with only 50 samples in Classroom scene. You note that higher render samples should be used for production for this to be really useful. I don’t have good hardware to test high render samples in a short time.
@Alaska, if you want all this discussion about OptiX temporal denoising could be moved to a new thread.
EDIT:
I’m going to delete my video, a better demo here: