here is a setting recommended by isomorphic_projection, which will let you play Chernobylite with better optimization and performance.

Recommended Optimisation and Performance Settings

ASUS Prime z490-P
I710700KF at 4.3GHz
Corsair Vengeance RGB Pro SL DDR4 2x16GB 3200MHz
KFA2 Nvidia Geforce RTX 3060 12gb ex 1oc

[[[NVIDIA Control Panel]]]

[[ADJUST IMAGE SETTINGS WITH PREVIEW]]

Check > Use the advanced 3D image settings

[[MANAGE 3D SETTINGS]]

[Global Settings]

Image scaling > Off
Ambient occlusion > Off
Anisotropic filtering > 16x
Antialiasing – FXAA > Off
Antialiasing – Gamma correction > Off
Antialiasing – Mode > Application-controlled
Antialiasing – Setting > Application-controlled
Antialiasing – Transparency > Off
Background application max frame rate > 30 FPS
CUDA -GPU’s > All
DSR -Factors > Check all available
DSR -Smoothenss > 33%
Low latency mode > On
Max frame rate > Off
Multi-frame sampled AA (MFAA) > On
OpenGL rendering GPU > Auto-select
Power management mode > Normal
Shader cache size > 5 GB
Texture filtering – Anisotropic sample optimisation > On
Texture filtering – Negative LOD bias > Clamp
Texture filtering – Quality > Performance
Texture filtering – Trillinear optimisation > On
Threaded optimisation > On
Triple buffering > Off
Vertical sync > Adaptive
Virtual reality pre-rendered frames > 1
Virtual reality – Variable rate super sample > Adaptive

[Program Settings]

Image scaling > Use global setting
Ambient occlusion > Not supported for this application
Anisotropic filtering > Use global setting (16x)
Antialiasing – FXAA > On
Antialiasing – Gamma correction > Use global setting (Off)
Antialiasing – Mode > Use global setting (Application-controlled)
Antialiasing – Setting > Use global setting (Application-controlled)
Antialiasing – Transparency > 8x (supersample)
Background application max frame rate > Use global setting (On)
CUDA – GPU’s > Use global setting (All)
Low latency mode > On
Max frame rate > 1000
Multi-frame sampled AA (MFAA) > On
OpenGL rendering GPU > Choose your GPU
Power management mode > Normal
Texture filtering – Anisotropic sample optimisation > On
Texture filtering – Negative LOD bias > Use global setting (Clamp)
Texture filtering – Quality > Performance
Texture filtering – Trillinear optimisation > On
Threaded optimisation > On
Triple buffering > On
Vertical sync > Use the 3D application setting
Virtual reality pre-rendered frames > Use global setting (1)
Virtual reality – Variable rate super sample > Not supported for this application

[[Configure Surround, PhysX]]

PhysX settings > Choose your GPU

[[Adjust desktop size and position]]

2 Apply the following settings

Scaling > Full-screen
Perform scaling on > GPU

[[[Ingame Settings]]]

[[Video Settings]]

Graphics quality Custom
Resolution 2560x1440p
Window mode Fullscreen
High Dynamic range unavailabe (my screen does not have it)
FOV 80

[Framerate settings]

Vsync Yes
Framerate lock Unlimited

[[Advanced video settings]]

Geometry quality Ultra
Foliage quality Ultra
Draw distance 99%
Shadows Ultra
Textures Ultra
Effects Ultra
Antialiasing None
Antialiasing quality High
Contact shadows On
Lens flare On
Chromatic aberation On
Bloom On
Motion blur On
Depth of field On
Tesselation Off
Ray tracing Ultra
DLSS Ultra performance

Average FPS 58.60
Min FPS 50.38
Max FPS 62.06
1% FPS 44.45