They mean game FPS will be bottlenecked by single CPU's speed. E.g. in factorio all logic is single-threaded, so you'll be bottlenecked by single CPU, even thou

They mean game FPS will be bottlenecked by single CPU's speed. E.g. in factorio all logic is single-threaded, so you'll be bottlenecked by single CPU, even though it uses other CPUs for minor tasks.