head to head
vs
Identity VvsTeam Fortress 2
Identity V leans Reads (Pure Mind Games); Team Fortress 2 leans Execution (Competitive PvP).
Identity VTeam Fortress 2
Axis by axis
Execution5 vs 7
Team Fortress 2 leans harder on execution: Projectile aim and rocket jumps reward hands
Reads8 vs 7
Identity V leans harder on reads: asymmetric PvP hunter/survivor mind games
Variance3 vs 3
Even - both lean on variance about the same.
Optimization5 vs 5
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.