User blog comment:Deathmanstratos/RUMOR: Activision may switch Call of Duty's Lead Platform to PS4/@comment-1187559-20140319132134/@comment-25496444-20140319180145

It's capped to 200 FPS on public matches, aside from that it's unlimited. And I run a 60 Hz monitor anyway so it wouldn't matter, I put the 120 FPS as reference.