head to head
vs
The Need for SpeedvsVirtua Tennis 4
The Need for Speed leans Execution (Pure Mechanics); Virtua Tennis 4 leans Execution (Pure Mechanics).
The Need for SpeedVirtua Tennis 4
Axis by axis
Execution7 vs 8
Virtua Tennis 4 leans harder on execution: precise shot timing and positioning
Reads1 vs 3
Virtua Tennis 4 leans harder on reads: human opponents can be out-predicted in rallies
Variance2 vs 1
The Need for Speed leans harder on variance: Traffic patterns add mild run-to-run noise
Optimization3 vs 3
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.