Quote - Excuse me, bb, but you are not reading my posts properly. I did not keep the same shading rate in the smaller render, I reduced it by a factor of 4, the same as the increase in size for the other render.

And there was a need to do the test. You know lots of things that I can only find out by experiment. You are the one who always says "show me"!

:O)

Ummm, seems the other way around. You have not once used the words I'm using.

You adjusted only one parameter - shading rate. You did not change the other parameter - pixel samples.

When you double the render size, you are effectively quadrupling BOTH parameters. You only adjusted one of them. The result was you were not doing equivalent values.

(EDIT: Again, I got my words mixed up. I'm talking about pixel samples.)

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)