head to head
Age of Empires III asks more than Empire Earth III, and the gap is variance.

Optimization · Mind & Math
A colonial-era RTS adding home-city card shipments to classic Age economy play.

Optimization · Mind & Math
A sloppy RTS still testing build orders and economy ahead of micro.
Age of Empires III leans Optimization (Mind & Math); Empire Earth III leans Optimization (Mind & Math).
Age of Empires III leans a little harder on execution, though the gap is small.
Age of Empires III
Unit micro and raid defense
Empire Earth III
Macro speed matters though far less than in tighter RTS peers
Age of Empires III leans a little harder on reads, though the gap is small.
Age of Empires III
Human deck and timing reads in ranked
Empire Earth III
Human opponents' timing attacks must be scouted and predicted
Age of Empires III leans clearly harder on variance.
Age of Empires III
Map spawns and shipment ordering unknowns
Empire Earth III
Map starts and AI behaviour hold mild unknowns
Age of Empires III leans a little harder on optimization, though the gap is small.
Age of Empires III
Home-city decks are a build-crafting layer
Empire Earth III
Epoch timing and economy builds dominate outcomes
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.