hevc
Intel Core i7-6600U testing with a HP 8197 v33.61 (F.20 BIOS) and Intel HD 520 3GB on Ubuntu 16.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1909038-HV-HEVC3436157.
x265
H.265 1080p Video Encoding
Phoronix Test Suite v10.8.4