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 · Grand Arena
A fast anime fighter where execution and yomi compound under pressure.

Execution · Grand Arena
Frame-perfect execution fused with constant prediction of an adapting human opponent.
Guilty Gear Strive leans Execution (Grand Arena); Ultra Street Fighter IV leans Execution (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Guilty Gear Strive
Tight links, RCs, and burst timing are demanding.
Ultra Street Fighter IV
One-frame links and FADC timing set a brutal hands ceiling
Guilty Gear Strive leans a little harder on reads, though the gap is small.
Guilty Gear Strive
Adaptive opponents bait Roman Cancels and throws.
Ultra Street Fighter IV
Footsies and conditioning the human opponent is the core duel
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Guilty Gear Strive
Essentially deterministic match flow.
Ultra Street Fighter IV
Almost nothing hidden once both characters are known
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Guilty Gear Strive
Matchup data, combo routes, and tension management.
Ultra Street Fighter IV
Frame data, matchups and option-selects form deep studied theory
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.