Irish Coffee and Espresso are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Irish Coffee and Espresso's differentiating factor?In following section we will take a close look at what is Irish Coffee and Espresso color, serving style, types and much more. First thing to know is what are the different types of Irish Coffee and Espresso. Well, Irish Coffee types include No types while types of Espresso are Espresso Romano, Espresso Machiatto, Espresso con Panna, Café Latte, Flat White, Café Breve, Cafe Mocha, Americano.