Trying the GTA IV dxvk (DirectX 9 to Vulkan API) on PC (Steam version). Rest of game is vanilla, no extra graphical mods added.
Specs: AMD Ryzen 5 3600 | RTX3060 12GB | 16GB DDR4 - FPS were capped to 120FPS, but it can be higher.
How-to: https://steamcommunity.com/sharedfile...