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 SNES racer that made survival at extreme speed the entire test.

Execution · Pure Mechanics
The stylish PS1 arcade racer with a grand prix story and a legendary soundtrack.
F-Zero leans Execution (Pure Mechanics); R4: Ridge Racer Type 4 leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
F-Zero
Tight cornering at speed with punishing walls
R4: Ridge Racer Type 4
Grip versus drift car control rewards precise corner technique
F-Zero leans a little harder on reads, though the gap is small.
F-Zero
AI racers don't adapt
R4: Ridge Racer Type 4
Rival AI is scripted per race
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
R4: Ridge Racer Type 4
Fixed tracks; car unlock tree is deterministic
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
R4: Ridge Racer Type 4
Choosing machines and mastering lines is light 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.