This so if they fixes an texture bug or a misspelling the PC version just update the file while console need to download the entire file.Pc can update the changes to files. Console has to re download the entire file even if it's just a small change to it. It adds up.
https://forums.elderscrollsonline.com/en/discussion/532165/okay-it-was-6-64gbs-for-pc-players-and-its-56-82gbs-for-console-players-please-explain-this-to-us/p1VaranisArano wrote: »The reason for the disparity between the PC size and console size is that it's much easier to overwrite specific files on PC rather than updating large chunks. The last update was supposed to make console updates smaller, but it's not likely to make consoles work the same as PCs when it comes to updating.