The SVT encoders gave a 3X frame rate increase on VP9 and X265. There is a patch for ffmpeg noted in the videohelp article. Thank you. https://forum.videohelp.com/threads/392544-Intel-SVT-HEVC-encoder-test https://x265.readthedocs.io/en/default/svthevc.html https://www.phoronix.com/scan.php?page=news_item&px=Intel-SVT-VP9-3x-AVX2-Boost HandBrake 1.2.2 Windows 10 Creators Update)