How to Solve Forza Horizon 6 Stuttering Issues
1. Bypass In-Game V-Sync and Frame Capping
The in-game frame limiter and V-Sync often do more harm than good. They can create frame-time spikes, which feel like stutters even if your FPS looks fine.
  • Turn off in-game settings: Go to the game menu, set V-Sync to Off, and unlock the frame rate.
  • For NVIDIA users: Open the NVIDIA Control Panel → Manage 3D Settings → Program Settings → select Forza Horizon 6. Force V-Sync ON and manually cap your max frame rate to your monitor’s refresh rate.
  • For AMD users: Open AMD Adrenalin → enable Freesync, turn off V-Sync, and use Radeon Chill to cap FPS 3 frames below your monitor’s max refresh rate.
These adjustments prevent the game from forcing frame pacing that can spike and stutter.
2. Disable SAM / Resizable BAR (Especially on AMD Systems)
A lot of stuttering comes from a conflict between AMD CPUs, GPUs, and the game engine. Disabling Smart Access Memory (SAM) or Resizable BAR can eliminate hitching.
  • Restart your PC and enter your UEFI BIOS.
  • Find the PCI-E settings menu.
  • Disable SAM / Resizable BAR.

Tip: You might see a small drop in average FPS, but the trade-off is smooth, consistent performance with no random freezes.


3. Lower Textures and Turn Off Ray Tracing
Forza Horizon 6 has a known VRAM leak, especially on 8GB or 12GB GPUs. Over time, this can cause stutters, audio crackling, and sudden slowdowns.
  • Reduce Texture Quality: Set it from Extreme → Ultra or High.
  • Disable Ray Tracing: Turn it off completely if stuttering is severe.
  • Relaunch Regularly: If you notice slowdowns after an hour, restart the game to clear VRAM usage.
These steps keep the engine from overwhelming your GPU memory and causing hiccups.
4. Use a Wired Controller Connection
Wireless controllers can cause frame-time drops due to input polling bugs in the game.
  • Disconnect Bluetooth: Turn off or unplug your wireless controller.
  • Use a USB cable: Connect your controller directly to your PC.
This simple step can remove micro-stutters linked to controller input.
Final Tips
  • Keep your GPU drivers up to date, but if a new driver introduces stutters, rolling back may help.
  • Close unnecessary background apps to free CPU and RAM.
  • Adjusting these settings doesn’t just fix stuttering; it often improves your overall FPS stability.
With these tweaks, Forza Horizon 6 should feel much smoother, letting you focus on drifting, racing, and exploring without annoying pauses ruining the fun.