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Thread: New GPU vs. new CPU

  1. #11
    Join Date
    Mar 2011
    Posts
    362

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    Peter, I looked on Reddit for some help on my hardware roadmap and someone with a lot more knowledge on video encoding mentioned that libvpx has been updated to support 8 threads instead of just 4 when encoding to VP9. Is this something that can be updated by getting a newer version of FFMPEG?

    Link to thread:
    https://www.reddit.com/r/Amd/comment...nking_3600_or/

  2. #12
    Join Date
    Sep 2009
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    2,042

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    Yes getting a newer version of ffmpeg could help but this may also break transcoding in Mezzmo if the commandline parameters to ffmpeg have changed. You can get a newer ffmpeg version from https://ffmpeg.zeranoe.com/builds/ and then change the path in Transcoding settings to the path to the new ffmpeg to see if it works.

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  3. #13
    Join Date
    Jun 2012
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    378

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    I've completed a couple of my AMD hardware upgrades to Ryzen 3000 CPUs. Here's some comparisons using FFMPEG doing 24 mbps H264 encoding.


    27 fps - AMD FX-8350 1080P H.264
    48 fps - Intel i7-4790k 1080P H.264
    123 fps - Ryzen 3800X 1080P H.264
    354 fps - Intel i7-4790K 1080P H.264 w/Nvidia 970 GPU
    Last edited by jbinkley60; Yesterday at 05:56 AM.

  4. #14
    Join Date
    Jun 2012
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    378

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    I've done one more upgrade, my video card from a GTX 970 to a GTX 2070 Super card. Here's the updated results:

    27 fps - AMD FX-8350 1080P H.264
    48 fps - Intel i7-4790k 1080P H.264
    123 fps - Ryzen 3800X 1080P H.264
    354 fps - Intel i7-4790K 1080P H.264 w/Nvidia 970 GPU
    535 fps - Intel i7-4790K 1080P H.264 w/Nvidia 2070 Super GPU

    The bottleneck becomes how fast the GPU can decode the source file. The decode process is running the GPU at 100%. The source is a Blu-Ray ISO. If I move down to DVDs I can get fps rates over 1300fps.

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