head to head
Ultra Street Fighter IV asks more than Mortal Kombat 11, and the gap is execution.

Reads · Grand Arena
A controlled-pace fighter where resource management and opponent modelling outweigh raw execution pressure.

Execution · Grand Arena
Frame-perfect execution fused with constant prediction of an adapting human opponent.
Mortal Kombat 11 leans Reads (Grand Arena); Ultra Street Fighter IV leans Execution (Grand Arena).
Ultra Street Fighter IV leans clearly harder on execution.
Mortal Kombat 11
Kustom variation execution is demanding but more accessible than MKX
Ultra Street Fighter IV
One-frame links and FADC timing set a brutal hands ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Kombat 11
Fatal Blow timing reads and opponent tendency tracking are constant
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.
Mortal Kombat 11
No RNG; all mechanics are visible
Ultra Street Fighter IV
Almost nothing hidden once both characters are known
Mortal Kombat 11 leans a little harder on optimization, though the gap is small.
Mortal Kombat 11
Fatal Blow baiting, Kustom build selection, and frame data extensively studied
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.