30fps? What resolution?
Anyhow, doesn't matter, as even on the PC version the framerates will be "locked" at 60fps.
But the differences between the PS3 and PC versions don't stop there - have a look at the preliminary benchmarks for the PC:
http://www.pcper.com/article.php?aid=464&type=expert&pid=5
2560x1600@46.6fps average. Higher Definition indeed...







