


Secondly, the x265 Slow preset was enormously slower than the Medium preset, while delivering a very similar file size. Firstly, the x265 Faster preset was significantly slower than the Ultrafast preset, while actually delivering less compression. Nvidia HEVC: CQP mode at default settingsįor our Game of Thrones test file, there is a lot that can be deduced from the above data.HEVC Slow: x265 Slow Preset, QF 23, default otherwise.HEVC Medium QF 15: x265 Medium Preset, QF 15, default otherwise.HEVC Faster: x265 Faster Preset, QF 23, default otherwise.HEVC Medium: x265 Medium Preset, QF 23, default otherwise.

