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