Game benchmark comparison: XP and Vista

Fortunately, I still can download a lot of software that support Windows XP. Otherwise, I need to switch to Windows Vista. Vista or XP, which one is better?

Seven out of ten of the games tested produced frame rate averages which were lower under Vista than XP SP2, however, a closer look at the numbers shows that when Vista is slower than XP SP2, the actual frame rate differences are only in the single digits. Read more.

I also don’t know how to compare them though I read the article.