head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, 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
Arcade shmup famous for its bullet-reflect barrier and scores running into the quintillions.
F-Zero X leans Execution (Pure Mechanics); Giga Wing 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
Giga Wing
Reflect-timing and dodging under heavy fire
F-Zero X leans a little harder on reads, though the gap is small.
F-Zero X
Rival AI is non-adaptive
Giga Wing
Scripted waves with no adaptation
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
F-Zero X
X Cup random tracks are a minor mode
Giga Wing
Deterministic patterns around the reflect mechanic
Giga Wing leans a little harder on optimization, though the gap is small.
F-Zero X
Boost-health tradeoffs and shortcuts reward routing
Giga Wing
Reflect-force timing and medal routes set astronomical scores
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.