see, it's a mighty difference
anyway, graphs hardly represent a fact, as it all depends on how the data is presented.
and btw, there are already some vulnerabilities/bugs discovered in Chrome. So eventough Chrome shows promising with high speed and low memory usage, keep your eyes open. After all, this is still in beta fase. (for instance an invalid link can easily crash the browser, so check the target before clicking on any link, especially on sites you don't trust. See
Proof of concept, chrome crash)
too bad it doesn't support rss/atom