: A prominent fix for "beast rigs" experiencing low FPS or stuttering is to turn off Resizable Bar in the BIOS for NVIDIA users or Smart Access Memory (SAM)
Modern features like Resizable BAR (Nvidia) or Smart Access Memory (AMD) can sometimes cause erratic FPS drops or locks in the MW3 engine. cod mw3 45 fps fix
Check and "Run this program as an administrator" . GPU Management Overrides: : A prominent fix for "beast rigs" experiencing
: Some players find that toggling this Windows setting (found under System > Display > Graphics) can release stuck frame caps, though a PC restart is required Resizable Bar (ReBar) Conflict : In the newer MW3 (2023), some users report that disabling ReBar However, this cap can be frustrating for players
The 45 FPS cap in Call of Duty: Modern Warfare 3 is often attributed to the game's rendering engine, which is locked to a specific frame rate to prevent tearing and ensure a smoother experience. However, this cap can be frustrating for players with high-end hardware, as it limits the game's performance potential. The 45 FPS cap can be particularly noticeable in fast-paced multiplayer modes, where quick reflexes and smooth gameplay are essential.
Open Windows Settings > System > Display > Graphics . Click Change default graphics settings and toggle Variable refresh rate to Off , then restart your game. 6. Advanced Fix: Config File Core Count