[COD] Call of Duty 2003 stutter on modern PCs (Ryzen / high refresh fix)

If anyone is having stutters in Call of Duty 2003 on modern hardware (especially Ryzen + high refresh monitors), I fixed it by stabilizing the engine instead of boosting performance.

What worked for me:

• FPS cap at 120 (huge difference vs 144+)

• r\_swapInterval 1 (in-engine VSync for stable frametime)

• com\_hunkmegs 256 (reduces memory spikes)

• r\_dynamiclight 0 (removes lighting stutter)

• fullscreen mode (r\_mode -1)

The main issue wasn’t FPS, but frametime spikes when bots spawn and the engine loads AI + effects at once.

After this, the game is completely smooth, no more micro-stutter during enemy spawns.