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 · Practiced Mastery
Chaining aerial tricks with precise timing to fuel a boost economy.
F-Zero leans Execution (Pure Mechanics); Pure leans Execution (Practiced Mastery).
F-Zero leans a little harder on execution, though the gap is small.
F-Zero
Tight cornering at speed with punishing walls
Pure
Trick timing and landing control feed the boost loop
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
Pure
Rival riders barely react to your lines
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
Pure
Tracks are fixed once learned
Pure leans a little harder on optimization, though the gap is small.
F-Zero
Boost timing and racing lines converge
Pure
Bike tuning and trick-chain boost economy reward planning
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.