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 · Competitive PvP
Weapon-spacing execution and live conditioning battles against human opponents.

Execution · Competitive PvP
Twitch ball control plus constant prediction of human defenders on known maps.
SoulCalibur V leans Execution (Competitive PvP); TagPro leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
SoulCalibur V
Spacing, step timing and just-frame inputs reward trained hands
TagPro
Ball handling, boosts and juke precision decide grabs
SoulCalibur V leans a little harder on reads, though the gap is small.
SoulCalibur V
Versus humans, conditioning and throw-versus-mid guessing decides rounds
TagPro
Human defenders adapt to your routes every match
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
SoulCalibur V
Nothing hidden beyond the opponent's intent
TagPro
Maps and power-up timers are fully visible
SoulCalibur V leans a little harder on optimization, though the gap is small.
SoulCalibur V
Frame data, matchup study and ring positioning are deep homework
TagPro
Map routes, button plays and power-up timing are studyable
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.