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