We joke that our small cat (she's old but small framed and lightweight) can put her entire body weight into every individual paw at the same time when she wants. You can pick her up and she'll weigh next to nothing and she can run over you like a feather but she can also simultaneously have four lead columns for legs if she wants to. I'm convinced cats are four dimensional or something.
My 3 cats are all completely different in this regard.
Cat 1: Fairly timid, very cautious cat, is remarkably light-footed. If she jumps on my bed and starts wandering along my back while I'm trying to sleep you barely notice she's there... that is until she has started hitting me in the face with her paw.
Cat 2: Smaller more hardy cat is a bit more heavy footed, slightly less cautious, but she seems to make some attempt to be light footed.
Cat 3: By far our biggest cat - and also the offspring of Cat #2. Does not try to be light footed at all. He just stomps around. If he climbs on to me, will put all his weight on his front 2 paws, and causes immense discomfort, as he stands there figuring out what he wants to do.