Forcing specific settings through your graphics card software can bypass the game's poor internal optimization. Power Management Mode: Prefer Maximum Performance.
Launch the game, press ALT+TAB , and open Task Manager . Assassin's Creed 2 - How to Boost Fps, Fix Stut...
Turn off the Xbox Game Bar and Background Recording in Windows Settings (Gaming section), as these consume background resources. Turn off the Xbox Game Bar and Background
Use the tool Process Lasso to automatically disable CPU 0 every time you launch the game. 2. Lock FPS to Improve Stability Lock FPS to Improve Stability Lowering this is
Lowering this is the most impactful way to gain FPS. Multisampling (AA): Turn this Off . Shadow Quality: Set to Low or Off .
Turn this Off if you are using an external limiter like RTSS or NVIDIA's control panel. Guide :: Assassin's Creed II Stuttering and Performance Fix