Neither is better than Vaping with a real vaporizer made for cannabis dry flowers. With smoking a joint or using a bong, you are still combusting the cannabis, which is worse than vaping.
Find a vape that has an adjustable temperature control, one that has a ceramic heating chamber. Some vapes can also do oils and concentrates.... check out the Hera by Vape Dynamics, http://420market.ca/product/vape-dynamics-hera-2/ now available in Canada and payment with Steem or Cryptos is accepted.