head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Competitive PvP
Reversal-timing duels where humans bait each other inside scripted spectacle.

Execution · Competitive PvP
Tests grapple timing and predicting an opponent's next move choice.
WWE SmackDown vs. Raw 2011 leans Execution (Competitive PvP); WWF SmackDown! leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
WWE SmackDown vs. Raw 2011
Reversal timing windows reward practiced reactions
WWF SmackDown!
Grapple timing and reversal inputs decide exchanges
WWF SmackDown! leans a little harder on reads, though the gap is small.
WWE SmackDown vs. Raw 2011
Versus humans, reversal baiting becomes a guessing duel
WWF SmackDown!
Against a friend, predicting grapple choices is the game
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
WWE SmackDown vs. Raw 2011
Momentum swings and AI quirks add mild chaos
WWF SmackDown!
Some reversal and AI randomness in season mode
WWE SmackDown vs. Raw 2011 leans a little harder on optimization, though the gap is small.
WWE SmackDown vs. Raw 2011
Move sets, match types and creation systems are learnable
WWF SmackDown!
Move-set knowledge and stamina management are shallow but real
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.