Cortado and Vienna Coffee are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Cortado and Vienna Coffee's differentiating factor?In following section we will take a close look at what is Cortado and Vienna Coffee color, serving style, types and much more. First thing to know is what are the different types of Cortado and Vienna Coffee. Well, Cortado types include Cortado Bombon (espresso with condensed milk), Leche Y Leche (with condensed milk and cream on top) while types of Vienna Coffee are Kleiner Brauner, Kleiner Schwarzer, Großer Schwarzer, Kapuziner.