cpu ffmpeg compare
Intel Core i7-6700K testing with a Gigabyte Z170X-Gaming 7 and AMD Radeon R9 290X/390X 4096MB on Ubuntu 16.10 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1701034-TA-CPUFFMPEG24.
FFmpeg
H.264 HD To NTSC DV
Phoronix Test Suite v10.8.4