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

Optimization · Pure Optimization
A cult-classic vampire RPG won by discipline choice and skill-check routing.

Optimization · Pure Optimization
A class-swapping JRPG carried by art-rotation and ouroboros build optimization.
Vampire: The Masquerade - Bloodlines leans Optimization (Pure Optimization); Xenoblade Chronicles 3 leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Vampire: The Masquerade - Bloodlines
Janky hybrid combat, low demand
Xenoblade Chronicles 3
Auto-attack with art-timing inputs
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Vampire: The Masquerade - Bloodlines
Scripted NPCs
Xenoblade Chronicles 3
Scripted enemies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Vampire: The Masquerade - Bloodlines
Hidden dice under skill checks
Xenoblade Chronicles 3
Loot and gem rolls
Xenoblade Chronicles 3 leans a little harder on optimization, though the gap is small.
Vampire: The Masquerade - Bloodlines
Discipline, feeding, build routing central
Xenoblade Chronicles 3
Class, art, and ouroboros builds deeply rewarded
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.