Evolution of the AV1 codec between October 2016, July 2017 and February 2018

Lossless compression ratio and Weissman score:

codec avg. compression ratio avg. space saving wavg. encode time wavg. decode time Weissman score
daala 2.798 64.26% 1.4952 1.2960 3.2145
av1-20160930 2.912 65.66% 31.1063 1.6304 2.3640
av1-20170809 3.020 66.89% 118.6229 1.1642 2.1707
av1-20180222 2.943 66.02% 97.6492 1.0156 2.1509
Reference (mozjpeg) 1.137 12.05% 14.0222 0.6776 1.0000
bpg 1.150 13.03% 21.4230 5.8602 0.9682

Encoding times:

Encodinq time in function of bits per pixel

Bits per pixel at equivalent quality according to VMAF

Bits per pixel at equivalent quality according to VMAF

Bits per pixel at equivalent quality according to Y-PSNR-HVS-M

Bits per pixel at equivalent quality according to Y-PSNR-HVS-M

Bits per pixel at equivalent quality according to Y-MSSSIM

Bits per pixel at equivalent quality according to Y-MSSSIM

Bits per pixel at equivalent quality according to Y-SSIM

Bits per pixel at equivalent quality according to Y-SSIM

Bits per pixel at equivalent quality according to RGB-SSIM

Bits per pixel at equivalent quality according to RGB-SSIM