If they were similar in weight and developed their muscles and punching power they can. There's a lot to punching power, and a lot of ways to develop it. Lots of different training. It isn't as simple as just adding more weight to your strength and conditioning. The power punchers all train in similar ways. From the past to the present. That's why they have punching power. The ones that talk about punching power being something you are born with are not training the same way. That's why they feel that way. I've compared their training and it isn't the same. People love to use genetics as the reason, but power punchers come from all shapes and sizes, some muscular, some lean. So it's not as simple as just saying it's because of genetics. Because if it was, all the power punchers would have similar genetics and physical traits - but they don't.