UE4/5 | FPS Boost - Worse Graphics

[SystemSettings]
r.VolumetricFog.VoxelizationShowOnlyPassIndex=0
r.SkyAtmosphere.AerialPerspective.DepthTest=1
r.Lumen.ScreenProbeGather.ShortRangeAO=0
r.DynamicGlobalIlluminationMethod=0
r.AmbientOcclusionStaticFraction=0
r.AllowPointLightCubemapShadows=0
r.Tonemapper.GrainQuantization=0
r.Lumen.DiffuseIndirect.Allow=0
r.Shadow.CSM.TransitionScale=0
r.Shadow.MaxCSMResolution=1
r.AmbientOcclusion.Method=0
r.SceneColorFringeQuality=0
r.Lumen.Reflections.Allow=0
r.AmbientOcclusionLevels=0
r.Shadow.CSM.MaxCascades=0
r.SSR.HalfResSceneColor=1
r.Shadow.Virtual.Enable=0
r.AllowLandscapeShadows=0
r.Shadow.MaxResolution=1
r.SubsurfaceScattering=0
r.HighQualityLightMaps=0
r.LightCulling.Quality=0
r.MaterialQualityLevel=0
r.ParticleLightQuality=0
r.LightFunctionQuality=0
r.DepthOfFieldQuality=0
r.Tonemapper.Quality=0
r.HalfResReflections=1
r.DisableDistortion=1
r.FastBlurThreshold=0
r.MotionBlurQuality=0
r.SubsurfaceQuality=0
r.LightShaftQuality=0
r.RefractionQuality=0
r.LensFlareQuality=0
r.MipMapLODBias=-0.5
r.GTAO.Downsample=1
r.ShaderDrawDebug=0
r.DFShadowQuality=0
r.HFShadowQuality=0
r.CapsuleShadows=0
r.MaxQualityMode=0
r.VolumetricFog=0
r.ShadowQuality=0
r.BloomQuality=0
r.SSGI.HalfRes=1
r.SSGI.Quality=1
r.SSGI.HalfRes=0
r.SSGI.Enable=0
r.BlurGBuffer=0
r.SSR.Quality=2
r.FogDensity=0
r.VRS.Enable=1
r.FilmGrain=0
r.AOQuality=0
r.Fog=0