The Difference between Robusta and Arabica Coffee Beans Robusta and Arabica coffee beans are the two most common varieties of beans used.They are however very different. Read More Coffee Knowledge, fresh coffee beansGerard Zimmerman9 April 2019Cracking Beansrobusta, arabica, coffee beans, home roasting, Speciality Coffee, Vietnam, Brazil, caffeine, antioxidants, dark roasts, espresso