head to head
Xenoblade Chronicles 2 asks more than The Elder Scrolls V: Skyrim, and the gap is variance.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.

Optimization · Pure Optimization
A blade-driven JRPG won by chain-attack routing and combo optimization.
The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization); Xenoblade Chronicles 2 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.
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Xenoblade Chronicles 2
Auto-attack with art-timing inputs
Xenoblade Chronicles 2 leans a little harder on reads, though the gap is small.
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Xenoblade Chronicles 2
Scripted enemies
Xenoblade Chronicles 2 leans clearly harder on variance.
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Xenoblade Chronicles 2
Blade gacha and crit rolls
Xenoblade Chronicles 2 leans a little harder on optimization, though the gap is small.
The Elder Scrolls V: Skyrim
Skill stacking, enchant loops, and exploits are deeply solvable.
Xenoblade Chronicles 2
Blade combos and chain attack routing central
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.