When Square Enix shocked the world at E3 2009 announcing that one of their most anticipated titles of this generation, Final Fantasy XIII, will be made available on the Xbox 360 the world met the announcement with skepticism and a lot of questions. With a title that was supposedly being designed exclusively for the Playstation 3, how could it hold up on what is seen as an “inferior” console with limited storage and processing power. However we have recently learned that the Xbox 360 version was being developed simultaneously with the Playstation 3 version of the game in Japan and as such has not suffered any of those “second-hand port” symptoms that have plagued many games of this generation.

The guys over at 1up, Jeremy Parish in particular, had the opportunity of playing the Xbox 360 demo, and has noted in his blog entry that the Xbox 360 version “runs just as smoothly on 360 as it does on PS3”. This serves as great news to Xbox 360 owners as their version of the game will not suffer performance-wise and the only "downsides" will be compressed audio and disc-swapping (both of which are minor in my opinion).

Source: 1up Blog