Hi there
I realise I am asking a question that is difficult to answer as there are so many variables.
But
Myself and colleague have latest Arnold version 5.6.6.1 and latest nvidia drivers 546.33 (studio) and Max 2024.2.
One has a rtx 4090 with threadripper 32 core cpu
One has an rtx 4070 with ryzen 16 core cpu
We are testing the exact same scene on both machines to test GPU rendering as it has had an overhaul.
One of the differences is that the 4090 is about 4 times slower to get to any first pixel when starting a render or using ipr.
Also when selecting a region to render when ipr rendering the 4090 is again around 4 times slower to update and start rendering the region.
So question is, anyone have any idea why this might be?
What makes getting to the first pixel so much longer on a much more powerful GPU?
Is it simply the fact that the 16 core ryzen has faster single core power?
Thanks for any insights, ideas, again I realise its not an easy question to answer
