You have a high-refresh monitor. Your PC ran Modern Warfare 2 at 144+ FPS. But suddenly, Modern Warfare 3 feels sluggish, stuck around no matter what graphics settings you change.
, users have critiqued the game's technical state compared to older titles like Battlefield 3 cod mw3 45 fps fix
"It’s always the simple things," he muttered, opening his NVIDIA settings. He hunted for the culprit and found it: Whisper Mode You have a high-refresh monitor
If you’re in a hurry, these solve 90% of cases: Modern Warfare 3 feels sluggish
There are several possible causes of the 45 FPS cap in Modern Warfare 3:
Launch the game and verify FPS: