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