Who wins?
TNT vs Fall damage
Fall damage wins 77% to 23%. 13 more put them in the same row. From Ways to Die in Minecraft Tier List. Pick a side.
throwaway32041 on TNT: your friend's TNT trap in the doorway, every time
throwaway70764 on Fall damage: falling into a ravine in the dark is the most common death in my worlds
Ways to Die in Minecraft Tier List: the full ranking