One smells nuttier and looks smoother (melted) than the other. They're pretty close - but the european one is slightly tastier, creamier, and nuttier. Two blind testers and two non-blind testers of whom two were european (French & English) and two NA (Canadian & American). The NA has modified palm oil and cocoa whereas the EU one has vegetable oil and fat reduced cocoa.To Ferrero Roche - WE WANT THE EUROPEAN VERSION!!!