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  • VEGAS Pro

    Controlling which video card is used for GPU use?

    Posted by James Kumorek on December 30, 2011 at 7:22 pm

    Is there a way to control which video card in your system is used for GPU processing when rendering?

    I have a AMD Radeon HD 6870 based card with something like 200 processing streams, and an NVidia GeForce 210 card for supporting a third monitor that has 16 GPU cores.

    When I preview my video, I see (via the AMD performance monitoring tool) that the GPU is being utilized. When I render (with GPU accelleration turned on), the AMD card is not being used at all, but the third montiro on the Radeon card gets a little sluggish, and CPU utilization is only at 33% (instead of 100% when GPU rendering is disabled). So, I’m pretty sure the Radeon card is being used, instead of the AMD card that has more processing cores.

    So, how can I force Vegas to use the AMD card when rendering?

    Stephen Mann replied 14 years, 4 months ago 3 Members · 2 Replies
  • 2 Replies

  • Frederic Baumann

    December 30, 2011 at 10:16 pm

    Hi,

    Did you check the Options > Preferences > Video tab? There is a listbox to select the GPU acceleration device.

    … And if you ask the same question for the FBmn Software plug-ins, the answer is: there is a specific ‘GPU Select’ tool which lets you specify which GPU to be used by these plug-ins. It may be different from the one used by Vegas, potentially leading to even faster rendering/preview! The default behaviour is to detect the most powerful GPU, and use this one.

    Hope this helps,
    Frederic

    —

    FBmn Software: save up to 30 Euros on all plug-ins and bundles until December 31st.
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  • Stephen Mann

    December 30, 2011 at 10:44 pm

    I have a AMD Radeon HD 6870 based card with something like 200 processing streams, and an NVidia GeForce 210 card

    I worry when I see mixed graphics cards in one system. This forces Windows to install two different video drivers – and there’s no guarantee that they are compatible.

    I am curious, how long have you had this configuration?

    Steve Mann
    MannMade Digital Video
    http://www.mmdv.com

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