SVT Video Encoding + vpxenc
Intel Core i7-5960X testing with a Gigabyte X99-UD4-CF (F24c BIOS) and NVIDIA GeForce 6600 GT 124MB on Debian 9.5 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1902173-SP-1902178SP89.
SVT-AV1
1080p 8-bit YUV To AV1 Video Encode
SVT-HEVC
1080p 8-bit YUV To HEVC Video Encode
SVT-VP9
1080p 8-bit YUV To VP9 Video Encode
VP9 libvpx Encoding
vpxenc VP9 1080p Video Encode
AOM AV1
AV1 Video Encoding
Phoronix Test Suite v10.8.5