Digital Foundry & Eurogamer write : We've had the Final Fantasy XIII demo for quite some time now, and our detailed analysis of the code
First things first. Despite some rumbling from certain quarters of the internet, the game engine is most definitely running at 720p resolution
To tell the truth, we're not looking at an exceptionally advanced engine here – this is no Uncharted or Killzone. Instead, it's all about the quality of the art assets, and we see nothing here to suggest that those assets won't be identical on the Xbox 360 version.
In some scenes we expect the 360 version to have the edge over the 'native' PS3 code.