IIRC, 4k AVC is only twice the bitrate of 1080p AVC (or something like that - I know that the scaling is less than 1:1, though), which would make 4k HEVC have a

IIRC, 4k AVC is only twice the bitrate of 1080p AVC (or something like that - I know that the scaling is less than 1:1, though), which would make 4k HEVC have about the same bitrate as 1080p AVC.