head to head
Call of Duty: Black Ops asks more than Street Fighter Alpha: Warriors' Dreams, and the gap is variance.

Execution · Competitive PvP
Cold War-era shooter pairing twitch multiplayer with the cult Zombies mode.

Execution · Competitive PvP
Classic fighting game testing execution precision and human mix-up prediction.
Call of Duty: Black Ops leans Execution (Competitive PvP); Street Fighter Alpha: Warriors' Dreams leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Black Ops
Gunfights hinge on aim and reaction speed
Street Fighter Alpha: Warriors' Dreams
Motion inputs, links and Alpha Counters demand clean hands
Street Fighter Alpha: Warriors' Dreams leans a little harder on reads, though the gap is small.
Call of Duty: Black Ops
Reading human opponents' positioning and timing
Street Fighter Alpha: Warriors' Dreams
Footsies and throw mix-ups against a human are the heart
Call of Duty: Black Ops leans clearly harder on variance.
Call of Duty: Black Ops
Spawns, care packages, zombies RNG
Street Fighter Alpha: Warriors' Dreams
Full information once the round starts
Call of Duty: Black Ops leans a little harder on optimization, though the gap is small.
Call of Duty: Black Ops
Class builds, map control, zombies routing
Street Fighter Alpha: Warriors' Dreams
Matchup knowledge and meter management are studyable theory
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.