User blog comment:Deyvid Petteys/Play Dawnguard on PC Today/@comment-4764895-20120804073103/@comment-230409-20120804101627

@DarthOrc: The PS3 has the same amount of RAM and video RAM (256MB each), the Xbox simply has both in one pool. To have double the RAM (512MB) you would have to have no video RAM at all.