Ristretto and Green Tea 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 Green Tea's differentiating factor?In following section we will take a close look at what is Ristretto and Green Tea color, serving style, types and much more. First thing to know is what are the different types of Ristretto and Green Tea. Well, Ristretto types include L'autentico, vanilla while types of Green Tea are Chinese Green Tea, Pan Fried Longjing, Bi Luo Chun, Jasmine Tea, Japanese green tea, Steamed Sencha, Gyokuro, Kabusecha.