For discussions sake lets assume this is close enough to live for similar formulas to apply, though I don't have empirical evidence to that fact.
I'll condense it, but sources are cited below if you'd like to delve into the math.
- Swing Hate= Weapon Damage + Damage Bonus
- Potential DPS determines hate
Given that, dual wielding faster weapons with the addition of double attack will provide higher potential aggro over a given period of time than a two handed weapon utilizing only double attack.
Swing Aggro vs Proc Aggro
Warrior weapon aggro calculator
All methods to increase agro