head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Competitive PvP
Cops-and-robbers spin on Battlefield built around heists, chases, and urban shootouts.

Execution · Competitive PvP
Football stick execution and opponent reading, salted with bounce-of-the-ball luck.
Battlefield Hardline leans Execution (Competitive PvP); FIFA Soccer 07 leans Execution (Competitive PvP).
Battlefield Hardline leans a little harder on execution, though the gap is small.
Battlefield Hardline
Close-quarters gunplay and high-speed vehicle chases
FIFA Soccer 07
Stick skills and timing on passes and finishing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield Hardline
Cops-versus-criminals humans adapt heist tactics
FIFA Soccer 07
Versus humans, baiting tackles and disguising attacks matters
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield Hardline
Spawns and loot grabs shuffle engagements
FIFA Soccer 07
Deflections and keeper randomness swing single matches
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield Hardline
Gadget loadouts and mode-specific route knowledge
FIFA Soccer 07
Formations and exploit patterns are learnable meta
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.