479
AMD captures 28.7% market share in desktops
(www.techpowerup.com)
This is a most excellent place for technology news and articles.
Ah yeah, I should have specified I was looking at the laptop side of things more as the person I originally replied to mentioned that power usage is more important there (which is understandable). There appears to be only a handful of laptop chips that I can recognize in that first link and all of them amd but I don't know the naming scheme of modern intel laptop parts anymore.