In a head to head Fight Night comparison on the same 1080p panel, using H3 Entertainments H3TV split screen technology, the winner was clearly shown, and who was it? Let this quite sum it up
“Xbox is flat-out better both visually and mechanically,” said H3′s chief communications officer and world class gamer, Adrian “Hollywood” Walton. “When ‘Fight Night’ is played at its highest level with the highest possible resolution, everyone was able to see Xbox 360′s superiority to PS3 as clear as can be on H3TV.”
Source: Xbox365 (with full story)

I think the test is honest b/c the 360 game was much earlier on the market. The Ps3 CPU and GPU failed. That’s the story of a bad designed console! And it’s only the beginning of the end for the Ps3.