You can compare various codecs: HEVS (x265), VP9 and the latest Daala build) at:<p><a href="https:&#x2F;&#x2F;arewecompressedyet.com&#x2F;?r%5B%5D=x265_1.6_ntt-short-1&amp;r%5B%5D=libvpx-vp9-1.4.0-ntt-short-1&amp;r%5B%5D=master-2016-01-05-a1f5eac&amp;s=ntt-short-1" rel="nofollow">https:&#x2F;&#x2F;arewecompressedyet.com&#x2F;?r%5B%5D=x265_1.6_ntt-short-1...</a><p>The results vary wildly depending on test clips, the metrics used and bit-rates, so an accurate comparison is quite difficult to do