Death's in Egypt's Arab Spring Revolution: 846 (
link)
Death's in OWS Protests: 0 (related to police brutality)
Police will make dumb decisions everywhere but the intensity level of the protests have gotten nowhere close to the intensity in the overthrow of Mubarak, with respect to both protester and police response. If you want police brutality in the US, look at the labor battles in the late 1800's.