head to head
vs
Europa Universalis IVvsHearts of Iron II
Europa Universalis IV leans Optimization (Pure Optimization); Hearts of Iron II leans Optimization (Pure Optimization).
Europa Universalis IVHearts of Iron II
Axis by axis
Execution2 vs 1
Europa Universalis IV leans harder on execution: pausable, no twitch
Reads3 vs 3
Even - both lean on reads about the same.
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.