I have Blender 2.73a with AMD Radeon 3100 Graphics. I saw this page on how to make cycles render faster. It says when I go to User Preferences> System> Compute Device, It has no CUDA option, which means there is no GPU option. How can I fix this?
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Make sure your graphics drivers are up to date and that it is compatible with Blender, just because you have a graphics card doesn't mean it will work. – J Sargent Mar 07 '15 at 23:24
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Just used the OpenCL steps. – Kaleb Provost Mar 07 '15 at 23:50
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Does it show up on older versions of Blender? – J Sargent Mar 07 '15 at 23:57
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CUDA is only available for nvidia GPUs. AMD cards can use openCL (Disabled in official builds).
Here is the wiki page on it http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/GPU_Rendering
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2read this to activate GPU OpenCL rendering : http://blender.stackexchange.com/questions/21777/turn-on-cycles-gpu-render-on-non-cuda-computers/26195#26195 – Bithur Mar 08 '15 at 17:58