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 · Pure Mechanics
The SNES racer that made survival at extreme speed the entire test.

Execution · Pure Mechanics
Input precision across five fixed skateboarding events with learnable optimal lines.
F-Zero leans Execution (Pure Mechanics); Skate or Die leans Execution (Pure Mechanics).
F-Zero leans a little harder on execution, though the gap is small.
F-Zero
Tight cornering at speed with punishing walls
Skate or Die
Joystick precision on ramps, jumps and races decides every event
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
F-Zero
AI racers don't adapt
Skate or Die
Pool joust against another human adds slight prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
F-Zero
Fixed tracks
Skate or Die
Courses are fixed; nothing hidden after a few runs
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
F-Zero
Boost timing and racing lines converge
Skate or Die
Learning each event's optimal lines and trick values raises 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.