I don't have a particularly beefy CPU, so not being able to play 4096x2160@23.97 smoothly is just about expected. With 4096x2160@60 I get massive stuttering and artifacts, which renders the video unwatchable. On VLC 2.2.1 setting 'Hardware-accelerated decoding' to 'DXVA 2.0' actually destroys perfor...