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 · Practiced Mastery
A modern arcade flight game of high-speed dogfights, drones, and dramatic canyon runs.

Execution · Pure Mechanics
The N64 entry whose boost-or-survive health gamble layers routing decisions onto raw speed control.
Ace Combat 7: Skies Unknown leans Execution (Practiced Mastery); F-Zero X leans Execution (Pure Mechanics).
F-Zero X leans a little harder on execution, though the gap is small.
Ace Combat 7: Skies Unknown
Tight dogfighting and missile-dodge timing
F-Zero X
Sixty-frame control of thirty machines at top speed
Ace Combat 7: Skies Unknown leans a little harder on reads, though the gap is small.
Ace Combat 7: Skies Unknown
Campaign AI scripted; small PvP scene adds little
F-Zero X
Rival AI is non-adaptive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Ace Combat 7: Skies Unknown
Cloud cover gimmicks are learnable
F-Zero X
X Cup random tracks are a minor mode
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Ace Combat 7: Skies Unknown
Aircraft tree and loadout routing matter
F-Zero X
Boost-health tradeoffs and shortcuts reward routing
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.