User blog comment:G0LD3NF1RE/Dawnguard encounters issues with Playstation/@comment-68.48.230.6-20120920234459/@comment-68.48.230.6-20120923041950

Deus Ex does not compare to any of Bethesda's games and Skyrim has to keep track of more information than just the cell you happen to be in. 256MB isn't enough.