head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Optimization · Practiced Mastery
Active dodge-heavy combat with a deep build system, tested against both scripted content and human opponents.

Optimization · Practiced Mastery
A tactical cover shooter where build crafting and teamwork meet real PvP reads in contested Dark Zone spaces.
Guild Wars 2 leans Optimization (Practiced Mastery); The Division 2 leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Guild Wars 2
Dodge timing and active combat define moment-to-moment play
The Division 2
Cover shooting and positioning demand consistent aim under pressure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Guild Wars 2
WvW and structured PvP feature real adaptive opponents
The Division 2
Dark Zone and conflict PvP feature real adaptive opponents
The Division 2 leans a little harder on variance, though the gap is small.
Guild Wars 2
Loot RNG is present but secondary to skill expression
The Division 2
Named item drops and talent rolls add meaningful RNG
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Guild Wars 2
Build crafting and rotation theory-crafting reward deep analysis
The Division 2
Skill builds and gear set synergies are extensively theory-crafted
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.