head to head
Medieval II: Total WarvsX Rebirth
Medieval II: Total War leans Optimization (Pure Optimization); X Rebirth leans Optimization (Pure Optimization).
Medieval II: Total WarX Rebirth
Axis by axis
Execution2 vs 3
X Rebirth leans harder on execution: Flying matters but combat is not twitch-defining
Reads1 vs 1
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.

