head to head
vs
Armored Core 4vsMetal Gear Solid 3: Snake Eater
Armored Core 4 leans Optimization (Practiced Mastery); Metal Gear Solid 3: Snake Eater leans Optimization (Practiced Mastery).
Armored Core 4Metal Gear Solid 3: Snake Eater
Axis by axis
Execution7 vs 6
Armored Core 4 leans harder on execution: High-speed boosting and aim under pressure cap mission performance
Reads3 vs 1
Armored Core 4 leans harder on reads: Versus mode adds some human prediction; campaign AI is scripted
Variance1 vs 2
Metal Gear Solid 3: Snake Eater leans harder on variance: Camouflage index and food supply introduce hidden-state management
Optimization8 vs 8
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.