Ballerina athlete genius.
LeBron is a physical freak of nature with combination of size, speed, strength and agility. Would give Zion tick for size and strength. LeBron definitely had edge in terms of IQ, versatility, skills (ball handling, passing, shooting) at same stage as Zion, but Zion has that Shaq wow factor when he explodes for a dunk, or even when he gets ball near basket you're anticipating pure power.
Agree with the weight, the shoe blowout was an example of the stress his joints take. But he's a big guy, if he learns the veteran moves where he dousnt have to make sudden movements all the time to dominate, then there's less risk. And depends on his position in nba, not skilled for 3 yet, will give up inches to some 4s but his hops and body make up for it. I imagine he'll be like Larry Johnson when he first entered league without the post moves.