Black whales and sperm whales belong to cetaceans, each with its own merits. In terms of size, sperm whales are bigger; Judging from the tooth structure, sperm whales have stronger teeth. But killer whales are more flexible, and they have strong teamwork ability. Therefore, if sperm whales and killer whales are individual, then sperm whales are more powerful. However, if you compare a group of killer whales with a sperm whale, then the killer whales are more powerful.