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

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

Execution · Competitive PvP
An arcade wrestling fighter testing move timing and reading human opponents.
WWE SmackDown vs. Raw 2011 leans Execution (Competitive PvP); WWF In Your House leans Execution (Competitive PvP).
WWF In Your House leans a little harder on execution, though the gap is small.
WWE SmackDown vs. Raw 2011
Reversal timing windows reward practiced reactions
WWF In Your House
Timing strikes and special-move inputs decides matches
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
WWE SmackDown vs. Raw 2011
Versus humans, reversal baiting becomes a guessing duel
WWF In Your House
Human opponents can be read in multiplayer brawls
WWF In Your House leans a little harder on variance, though the gap is small.
WWE SmackDown vs. Raw 2011
Momentum swings and AI quirks add mild chaos
WWF In Your House
Some randomness in move outcomes
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
WWE SmackDown vs. Raw 2011
Move sets, match types and creation systems are learnable
WWF In Your House
Knowing finisher setups and combos underpins wins
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.