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.

Execution · Practiced Mastery
An action-leaning Final Fantasy where Eikon ability routing meets combo timing.

Execution · Practiced Mastery
An action adventure rewarding combat timing against scripted boss patterns.
Final Fantasy XVI leans Execution (Practiced Mastery); God of War Ragnarok leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XVI
Action combat with dodge and combo timing
God of War Ragnarok
Parry timing and combo execution in combat
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XVI
Scripted bosses, no adaptation
God of War Ragnarok
Bosses use fixed movesets
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XVI
Minimal RNG
God of War Ragnarok
Negligible randomness
God of War Ragnarok leans a little harder on optimization, though the gap is small.
Final Fantasy XVI
Eikon ability loadout planning matters
God of War Ragnarok
Build choices and moveset mastery solve bosses
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.