Sanji has a more durable body than Kid, so if he breaks his body trying to attack Jinbe's clone, then the same would happen to Kid if he uses his body. However, Kid wouldn't have that issue because he uses weapons. So no, he's not doing better in the same sense that you're implying. Even Usopp wouldn't break his body if he attacks a Lunarian defense with a weapon. That doesn't mean anything in the grand scheme of things. If you think Kid could put in as much effort as Sanji using the same tool and still doesn't break his body, then we can talk.