[Klover]

>The eighth generation of PureVideo HD, introduced with the GeForce GTX 1080, GTX 1070, GTX 1060, GTX 1050 Ti & GTX 1050, GT 1030 a Pascal (microarchitecture) GPU, adds full hardware-decode of HEVC Main12 profile to the GPU's video-engine.

Are x265 files different then, or is it just your software?

[isatty]

Likely his software. I’m also on a 1080GTX and it works perfectly (though I also have a 8700k)

[awill]

software. I have a 1070, and hardware decoding (using mpv) works excellently.