head to head
vs
Europa Universalis IVvsHearts of Iron IV
Europa Universalis IV leans Optimization (Pure Optimization); Hearts of Iron IV leans Optimization (Pure Optimization).
Europa Universalis IVHearts of Iron IV
Axis by axis
Execution2 vs 2
Even - both lean on execution about the same.
Reads3 vs 4
Hearts of Iron IV leans harder on reads: PvP partly, mostly scripted AI
Variance3 vs 3
Even - both lean on variance about the same.
Optimization9 vs 9
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.