Coffee has as much variety as tea. Any good roaster can show you the difference between, say, a Kenyan and a Costa Rican. There's also more variety in coffee pr

Coffee has as much variety as tea. Any good roaster can show you the difference between, say, a Kenyan and a Costa Rican. There's also more variety in coffee preparation with varying results. Tea steeping is a lot more 1-dimensional. But what Tea has in quantity is L-theanine, which has additional stimulative effects on top of caffeine. A lot of people prefer it to coffee for stimulative effects because of this added kick.