head to head
Tabletop Simulator asks more than VRChat, and the gap is variance.

Reads · Bluff & Deduction
A physics sandbox whose actual skill test is whatever board game you load into it.

Reads · Light / Casual
A social platform that tests presence and people skills, not gameplay mastery.
Tabletop Simulator leans Reads (Bluff & Deduction); VRChat leans Reads (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Tabletop Simulator
Fiddly physics manipulation, never a skill ceiling
VRChat
Socialising and exploring demand no mechanical skill
Tabletop Simulator leans a little harder on reads, though the gap is small.
Tabletop Simulator
Depends entirely on the tabletop game played with humans
VRChat
Reading other humans socially, not competitively
Tabletop Simulator leans clearly harder on variance.
Tabletop Simulator
Dice and shuffled decks supply whatever randomness the game has
VRChat
User-generated worlds surprise but aren't a skill test
Tabletop Simulator leans clearly harder on optimization.
Tabletop Simulator
Strategy lives in the hosted game, not the simulator
VRChat
No win condition to optimise toward
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.