HTML5 vs. Flash comparison finds a few surprises, settles few debates
“Think we’d all be better off if HTML5 could somehow instantly replace Flash overnight? Not necessarily, according to a set of comparisons from Jan Ozer of the Streaming Learning Center website, which found that while HTML5 did come out ahead in many respects, it wasn’t exactly a clear winner. Jan Ozer’s article can be found at http://www.streaminglearningcenter.com/articles/flash-player-cpu-hog-or-hot-tamale-it-depends-.html
Mike Chambers has an additional piece as well from his own testing:
Relative Performance of Rich Media Content across Browsers and Operating Systems (does not ‘perform consistently worse on Mac than on Windows’).
http://www.mikechambers.com/blog/2010/03/01/relative-performance-of-rich-media-content-across-browsers-and-operating-systems/
This is a bit of an old article, sorry but it managed to not get published when it was supposed to.