AV1, VP9, x265, x264 Video Codec Comparison - 562kb/s

Go to 1Mb/s comparison

Source are frames 13500 to 13900 from 1080 PNG Tears of Steel, (CC) Blender Foundation | mango.blender.org - Creative Commons Attribution 3.0 license.

Source images are encoded in raw YUV420p .

ffmpeg -f image2 -pattern_type glob -r 24 -i '13*.png' -vf format=yuv420p source.y4m

macOS 10.12.4, 1.8 GHz Core i5 (I5-3427U), 8GiB 1600 MHz DDR3 - 2017-03-29