u/tayswiftt

Higher bitrate. When video files are compressed, they take advantage of different methods of compressing the data. As 4k video is higher quality, it possess a higher bitrate, resulting in a less compressed but higher quality video that takes up more space. https://en.m.wikipedia.org/wiki/Bit_rate https://m.youtube.com/watch?v=3NFmpJNvd4k

Pretty sure I've seen this pic before