If you are interested in seeing how your Windows Phone's overall performance stacks up to other phones and tablets, you may be interested in Basemark OS II, a cross-platform benchmark tool by Rightware, simultaneously released on iOS, Android and Windows Phone.
Basemark OS II runs a battery of performance tests, including system, memory, graphics, web browsing and camera and then assigns a score based on the results.
Full story from the WPCentral blog...