Assassin's Creed has better AI on Xbox 360 over PS3

In an interview with Ubisoft from IGN, it's discovered that the Xbox 360 version will have improved AI for the crowd over the PS3.  How is that possible when the PS3's cel is suppose to be superior?  Oh wait, that's right, it really isn't when it comes to games..

 

"While the PlayStation 3 and 360 versions of Assassin's Creed are virtually identical, Raymond did say that on the 360 the team is putting a special emphasis on achievements. The hardware also allows for improved threading, which will improve even further the crowd AI."