Google Glass Teardown
It uses an old OMAP4430, also in the Samsung Galaxy 2:
<a href="http://en.wikipedia.org/wiki/OMAP#OMAP_4" rel="nofollow">http://en.wikipedia.org/wiki/OMAP#OMAP_4</a><p>As chips get faster, wearable computing will benefit more than smartphones, because (eg) an iPhone 5 is more powerful than a smartphone can utilize (and more powerful than even a desktop needs to be, for most mainstream tasks.)