head to head
vs
Command & Conquer: Red AlertvsStronghold Crusader HD
Command & Conquer: Red Alert leans Optimization (Pure Optimization); Stronghold Crusader HD leans Optimization (Pure Optimization).
Command & Conquer: Red AlertStronghold Crusader HD
Axis by axis
Execution5 vs 3
Command & Conquer: Red Alert leans harder on execution: Micro and base management under time pressure
Reads5 vs 5
Even - both lean on reads about the same.
Variance3 vs 2
Command & Conquer: Red Alert leans harder on variance: Fog of war conceals army composition
Optimization8 vs 9
Stronghold Crusader HD leans harder on optimization: economy and siege-strategy mastery
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.