for (but not limited to) Low End PCs
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** If you play STALKER games on a low end machine or maybe just or you simply have stuttering in game, especially while looking at flames, please try the solutions bellow.
** While it may not reduce stuttering completely, it should drastically improve framerate
** This tweak should work for all STALKER games
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NVIDIA

• Open Nvidia control panel;
  
• 3D Settings - Manage 3D Settings - click on Program Settings Tab - add your STALKER game in the list of programs (if you already have it, simply select it);
  
• Select the following options:
  - Antialiasing FXAA: On
  - Maximum pre-rendered frames: 1
  - Multi-display/mixed-GPU acceleration: Single display performance mode
  - Threaded optimization: Off
  - Triple buffering: On
  - Vertical sync: Adaptive

AMD RADEON

• Download RadeonPro
  
• Start RadeonPro -> Add profile -> Find the XR_3DA.exe in your STALKER/bin directory and then click on "Open"
  
• Go to the Advanced tab
  
• Set Flip Queue Size to 1
  
• Make sure RadeonPro is running while Starting the game

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