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 · Grand Arena
A weapons-based 3D fighter where Reversal Edge decisions and ring positioning create constant human reads.

Execution · Grand Arena
A tag-enhanced Tekken that multiplies execution demands and opponent reads by adding partner management to every exchange.
SoulCalibur VI leans Execution (Grand Arena); Tekken Tag Tournament 2 leans Execution (Grand Arena).
Tekken Tag Tournament 2 leans a little harder on execution, though the gap is small.
SoulCalibur VI
Reversal Edge timing and long lethal hit strings require tight execution
Tekken Tag Tournament 2
Tag combos and partner launcher extensions demand high motor precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
SoulCalibur VI
Reversal Edge is a pure read-off mechanic against human opponents
Tekken Tag Tournament 2
Tag crash timing and incoming character reads against humans are constant
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
SoulCalibur VI
No RNG; ring position is full information
Tekken Tag Tournament 2
No RNG; all information is visible
Tekken Tag Tournament 2 leans a little harder on optimization, though the gap is small.
SoulCalibur VI
Soul Charge routes and matchup character knowledge reward study
Tekken Tag Tournament 2
Tag team pairings and shared health management reward deep preparation
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.