Here is a list of mods that can help Improve Performance such as Reduced Stutter, Lower Latency Mouse and etc I did not make any of these mods or fixes but I have herd some S.T.A.L.K.E.R.S are having some problems other then the wasteland trying to kill them the game engine it self is screwing you in more ways then just throwing a bolt can fix.
Mod List
FPS Boost less stuttering better stability and cleaner image all in one tweaks (100 donation to doctors without borders) (MSF)[www.nexusmods.com]
TO INSTALL:
replace both the files in %localappdata%\Stalker2\Saved\Config\Windows
changes made in the ini files –
Disabled ray tracing and its other components
[SystemSettings]r.RayTracing=False
r.RayTracing.Shadows=False
r.RayTracing.Reflections=False
r.RayTracing.AmbientOcclusion=False
r.RayTracing.GlobalIllumination=False
r.RayTracing.Lighting=False
r.RayTracing.Translucency=False
r.RayTracing.SkyLight=False
r.Lumen.Reflections=False
r.Lumen.Reflections.HardwareRayTracing=False
r.Lumen.Reflections.ScreenTraces=False
r.Lumen.GlobalIllumination=False
r.Lumen.ScreenProbeGather=False
r.BloomQuality=0
r.LensFlareQuality=0
r.LensFlareQuality=0
r.PostProcessAAQuality=0
r.PostProcessAAQuality=0
r.DepthOfFieldQuality=0
r.DefaultFeature.AntiAliasing=0
r.MaxAnisotropy=16
Disable Frame Rate Smoothing:
[/script/engine.engine]bSmoothFrameRate=False
Engine.ini changes for cleaner visuals and more stability , less taxing on your gpu
[/script/engine.renderersettings]
r.TextureStreaming=0r.DepthOfFieldQuality=0
r.BloomQuality=0
r.FilmGrain=0
r.SceneColorFringeQuality=0
r.DisableDistortion=1
r.Tonemapper.Quality=0
r.LensFlareQuality=0
r.Fog=0 ; Disables Fog effect
r.VolumetricFog=0
r.OneFrameThreadLag=0
[/script/engine.inputsettings]bEnableMouseSmoothing=False
bViewAccelerationEnabled=False
bDisableMouseAcceleration=False
These all tweaks improves performance , stability and cleans the visuals .
I got these tweaks from steam community post then i tested all these to confirm the changes and combine all in ini files to just copy paste and done.
Mod 2
Stalker 2 optimizer[www.nexusmods.com]
Mod 2.5
Stalker Optimizer 2[www.nexusmods.com]
This can also potentially increase your FPS by a considerable amount, ranging from 5 to 10 FPS depending on your CPU, without any decrease in the visual quality of the game.
Installation
Drop the pak file in Stalker2\Content\Paks\~mods
Create the ~mods folder
Mod 3
S.T.A.L.K.E.R. 2 – Ultimate Engine Tweaks (Anti-Stutters – Lower Latency – No Film Grain – No Chromatic Aberration – Lossless)[www.nexusmods.com]
“After many hours of testing, I would like to share my definitive custom “Engine.ini” changes for the game.
My goal was to just include as many optimizations as possible (both for CPU/GPU/RAM/SSD) in order to remove most stuttering, improve performance, reduce input latency and improve picture clarity (by removing Film Grain & Chromatic Aberration) all without any visual loss nor introducing glitches or crashes.
You can directly download my Engine.ini to replace or just copy all the lines below inside and at the bottom of your game Engine.ini, which is located in:”
Click on link to get file or full breakdown of changes.
Mod 4
Optimized Tweaks S.2 – Reduced Stutter Improved Performance Lower Latency Mouse Fix[www.nexusmods.com]
This mod has a few different files to download
Mod 5
STK2 – SPF[www.nexusmods.com]
The ultimate solution to low performance and stuttering without reducing visual quality (plus extras).
Visual Mods
Makes the game colors look more natural, slightly killing off the game`s yellow tint,
Natural Colors Chernobyl[www.nexusmods.com]
PhotoMode and Console Enabler
Mod unlocks in-game console check the README.
PhotoMode and Console Enabler[www.nexusmods.com]
Ultra Realistic Reshade
Ultra Realistic Reshade[www.nexusmods.com]
Reshade Ultra[www.nexusmods.com]
Source
And that wraps up our share on S.T.A.L.K.E.R. 2: Heart of Chornobyl: Performance Tweaks and other fixes. If you have any additional insights or tips to contribute, don’t hesitate to drop a comment below. For a more in-depth read, you can refer to the original article here by Tsukemonø, who deserves all the credit. Happy gaming!