During our conversations, they let me know that Flash Player 10.1 should deliver substantial performance improvements over 10.0 because it can use the graphic processing unit (GPU) on some computers for decoding video, a capability generically known as hardware acceleration. I spoke with Adobe during my testing to get their thoughts on the procedures outlined below. I tested on the Mac using a MacBook Pro (3.06 GHz Core 2 Duo, 8 GB RAM, OS 10.6.2) while testing on Windows using an Hewlett Packard 8710w mobile workstation (2.2 GHz Core 2 Duo system running 64-bit Windows 7 with 2 GB of RAM). To complete the picture, I also tested Firefox and Internet Explorer using the Flash plug-in. I say theoretically, because in practice, the Windows version of Safari couldn’t play the HTML5 YouTube page. All, of course, still support Flash.Īccordingly, the only browsers that could theoretically play both the HTML5 and Flash pages were Apple Safari and Google Chrome. There is no standard HTML5 codec, however, with Apple Safari and Google Chrome supporting H.264 playback (which is required to play back video on YouTube’s HTML5 pages), Mozilla Firefox, Opera’s Opera and Chrome supporting Ogg Theora playback, and the 800-pound gorilla supporting neither codec (that would be Internet Explorer). Instead, the browser supplies the decode capability directly. Specifically, I played a YouTube video in the same browser twice, once via HTML5, once via Flash, and measured CPU utilization during playback.īy way of background, HTML5 is a new markup language that eliminates the need for a plug-in like Flash to play video. HTML5 seemed easy enough to quantify, I endeavored to do so, using YouTube’s new HTML5-based player as the test bed. Since the comparative efficiency of Flash vs. In part, Steve Jobs stated that the iPad didn’t support Flash because it was a “CPU Hog,” so Apple used a technology called HTML5 instead.

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