Want to know the overall difference between Pumpkin Spice Latte and Irish Breakfast Tea? Which has higher calorie or caffeine content in Pumpkin Spice Latte or Irish Breakfast Tea? Here you will know more information About Pumpkin Spice Latte and About Irish Breakfast Tea. Get all the comparison for Pumpkin Spice Latte and Irish Breakfast Tea at a glance below.