Ristretto and Greek frappé coffee are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Ristretto and Greek frappé coffee's differentiating factor?In following section we will take a close look at what is Ristretto and Greek frappé coffee color, serving style, types and much more. First thing to know is what are the different types of Ristretto and Greek frappé coffee. Well, Ristretto types include L'autentico, vanilla while types of Greek frappé coffee are Iced Coffee.