Search found 4 matches

by Gadgety
Tue Dec 04, 2012 12:35 am
Forum: Demo Version Questions & Discussion
Topic: CUDA cores / RenderTime relationship?
Replies: 16
Views: 11979

Re: CUDA cores / RenderTime relationship?

Thank you! Thank you for posting your numbers! This is great to know.

(I cannot view the link, though "You are not authorised to read this forum.")
by Gadgety
Fri Nov 30, 2012 10:22 am
Forum: Demo Version Questions & Discussion
Topic: CUDA cores / RenderTime relationship?
Replies: 16
Views: 11979

Re: CUDA cores / RenderTime relationship?

using the same gpu at the same clock rates and having enough memory bandwidth it is just like that. but usually gpus with different cores have also different specs in terms of vram speed and bandwidth, so the picture is a bit more complex; if you look at the benchmark chart, you can get an ...
by Gadgety
Fri Nov 30, 2012 10:10 am
Forum: Demo Version Questions & Discussion
Topic: 3x580 vs 4x580 what is the performance gain with Octane?
Replies: 2
Views: 1529

3x580 vs 4x580 what is the performance gain with Octane?

I'm putting together a system where I can run either 3x580 GTX or 4x580 GTX all being 3Gb versions. The 4x will require more power, and hence generate more noise and heat. Is the performance improvement in terms of time to render linear or is it diminishing? If it is diminishing, are there any ...

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