>>154516807Xbox 360 has a specialized 10MB EDRAM chip, which does all AA calculations, and an unified 512MB of GDDR3 RAM architecture running @700MHz
PS3 has 256MB XDR RAM running @3,2GHz, which is main system RAM, and another 256MB GDDR3 VRAM running @700MHz for graphics (bandwidth: XDR RAM @25,6GB/s and VRAM @22,4GB/s)