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

Execution · Competitive PvP
Futuristic large-scale Battlefield where teams besiege flying Titan carriers.

Execution · Practiced Mastery
Massive persistent-war FPS where hundreds of players contest continents simultaneously.
Battlefield 2142 leans Execution (Competitive PvP); PlanetSide 2 leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield 2142
Gunplay, piloting, and Titan boarding need solid mechanics
PlanetSide 2
Gunplay and vehicle piloting at FPS standards
Battlefield 2142 leans a little harder on reads, though the gap is small.
Battlefield 2142
64-player human teams shift fronts and Titan assaults
PlanetSide 2
Human enemies adapt, diluted across hundreds
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield 2142
Large maps hide flanks; battle chaos obscures information
PlanetSide 2
Massive battles produce constant chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield 2142
Unlock paths, squad roles, and Titan strategy reward planning
PlanetSide 2
Loadouts, terrain, and territory strategy matter
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.