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.

Reads · Competitive PvP
An anime fighting game packing JoJo's whole cast into stylish one-on-one duels.

Execution · Grand Arena
A weapons-based 3D fighter where Reversal Edge decisions and ring positioning create constant human reads.
JoJo's Bizarre Adventure: All-Star Battle R leans Reads (Competitive PvP); SoulCalibur VI leans Execution (Grand Arena).
SoulCalibur VI leans a little harder on execution, though the gap is small.
JoJo's Bizarre Adventure: All-Star Battle R
Combo execution and punish timing matter
SoulCalibur VI
Reversal Edge timing and long lethal hit strings require tight execution
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
JoJo's Bizarre Adventure: All-Star Battle R
Human opponents adapt every round, classic fighter mind games
SoulCalibur VI
Reversal Edge is a pure read-off mechanic against human opponents
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
JoJo's Bizarre Adventure: All-Star Battle R
Full information once matchups are known
SoulCalibur VI
No RNG; ring position is full information
SoulCalibur VI leans a little harder on optimization, though the gap is small.
JoJo's Bizarre Adventure: All-Star Battle R
Frame data, matchup knowledge, optimal punishes
SoulCalibur VI
Soul Charge routes and matchup character knowledge reward study
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.