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

Execution · Pure Mechanics
The N64 entry whose boost-or-survive health gamble layers routing decisions onto raw speed control.

Execution · Practiced Mastery
The current entry in the officially licensed Formula 1 racing simulation series.
F-Zero X leans Execution (Pure Mechanics); F1 25 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.
F-Zero X
Sixty-frame control of thirty machines at top speed
F1 25
precise braking, throttle, and racing lines
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
F-Zero X
Rival AI is non-adaptive
F1 25
minor multiplayer positioning reads
F1 25 leans a little harder on variance, though the gap is small.
F-Zero X
X Cup random tracks are a minor mode
F1 25
weather and safety-car randomness
F1 25 leans a little harder on optimization, though the gap is small.
F-Zero X
Boost-health tradeoffs and shortcuts reward routing
F1 25
strategy, tire, and setup optimization
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.