head to head
WWE SmackDown vs. Raw 2011 asks more than The Simpsons Wrestling, and the gap is execution.

Execution · Light / Casual
A shallow mashy wrestler where exploiting janky moves beats any deep skill.

Execution · Competitive PvP
Reversal-timing duels where humans bait each other inside scripted spectacle.
The Simpsons Wrestling leans Execution (Light / Casual); WWE SmackDown vs. Raw 2011 leans Execution (Competitive PvP).
WWE SmackDown vs. Raw 2011 leans clearly harder on execution.
The Simpsons Wrestling
Mashy controls with little precision to reward
WWE SmackDown vs. Raw 2011
Reversal timing windows reward practiced reactions
WWE SmackDown vs. Raw 2011 leans a little harder on reads, though the gap is small.
The Simpsons Wrestling
Versus humans involves light habit-reading
WWE SmackDown vs. Raw 2011
Versus humans, reversal baiting becomes a guessing duel
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
The Simpsons Wrestling
Janky collision adds accidental randomness
WWE SmackDown vs. Raw 2011
Momentum swings and AI quirks add mild chaos
WWE SmackDown vs. Raw 2011 leans clearly harder on optimization.
The Simpsons Wrestling
Each character's spam-able power move is quickly found
WWE SmackDown vs. Raw 2011
Move sets, match types and creation systems are learnable
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.