Context: I stopped drinking alcohol and coffee 5 months ago.
Even though tea also contains caffeine, you can drink quite a bit of it and not get the same effects as you get with coffee – increased anxiety, jittery hands, overwhelming feeling of tiredness when you're on your way down from a caffeine high, etc.
Coffee is caffeine and tea is caffeine, but one is much more potent than the other. I've never been able to push myself over the edge, even when drinking tea.
Even though tea also contains caffeine, you can drink quite a bit of it and not get the same effects as you get with coffee – increased anxiety, jittery hands, overwhelming feeling of tiredness when you're on your way down from a caffeine high, etc.
Coffee is caffeine and tea is caffeine, but one is much more potent than the other. I've never been able to push myself over the edge, even when drinking tea.