[Bf-cycles] Cucles rendering speed difference between preview viewport and final rendering

[David Black]

Hi, the viewport window size might be the same but is the resolution 
between both identical, the final render could be a higher resolution 
scaled to fit the viewport?

Just one idea that might explain the difference,

David
-- 

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On 30/12/2011 12:05, Le Jardin Digital wrote:
> Hi
>
> can someone explain me this:
>
> cycles (CUDA) render much much FASTER (x5 ) on preview viewport compared
> to the final rendering viewport ( with of course the same window size
> preview/rendering and the same level of samples for preview and render).
> What is the explantion beacause i don't notice quality differences...
> It happens on all of my computers ( CUDA + win 64 + GTX470 + nvidia
> drivers 285.62), with every blender version (2.60, 2.61...)
>
> Is it a way to make the final outpout as fast as the preview one ? it
> would be great !!
>
> Thank you per advance for your responses.
>
>
>
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