Using a ini file for better fps:
[Core.System]
Paths=../../../Engine/Content
Paths=%GAMEDIR%Content
Paths=../../../Insurgency/Plugins/Wwise/Content
Paths=../../../Engine/Plugins/Editor/CryptoKeys/Content
Paths=../../../Engine/Plugins/Enterprise/DatasmithContent/Content
Paths=../../../Engine/Plugins/Media/MediaCompositing/Content

[/Script/Engine.Engine]
bUseVSync=false
MaxPixelShaderAdditiveComplexityCount=128
MaxES2PixelShaderAdditiveComplexityCount=45
IdealLightMapDensity=0.02
MaxLightMapDensity=0.05

[/Script/Engine.GarbageCollectionSettings]
TimeBetweenPurgingPendingKillObjects=15

[/Script/Engine.RendererSettings]
r.SkeletalMeshLODBias=10
r.DefaultFeature.Bloom=False
r.VolumetricFog=0
r.VolumetricFog.GridPixelSize=0
r.VolumetricFog.GridSizeZ=0
r.AllowLandscapeShadows=0
r.LightMaxDrawDistanceScale=1
r.LightPropagationVolume=0
r.ReflectionEnvironment=1
r.MSAA.CompositingSampleCount=1
r.ViewDistanceScale=16
r.PostProcessAAQuality=4
r.BlurGBuffer=0
r.DepthOfFieldQuality=0
r.RenderTargetPoolMin=5
r.LensFlareQuality=4
r.SceneColorFringeQuality=0
r.BloomQuality=0
r.FastBlurThreshold=0
r.Upscale.Quality=0
r.Tonemapper.GrainQuantization=0
r.TonemapperQuality=0
r.LPV.RSMResolution=4
r.Streaming.MipBias=0
r.Streaming.LimitPoolSizeToVRAM=1
r.FinishCurrentFrame=0
r.MaxAnisotropy=8
r.TranslucencyLightingVolumeDim=6
r.SSR=0
r.SceneColorFormat=2
r.TranslucencyVolumeBlur=0
r.SSS.Scale=0
r.SSS.SampleSet=0
r.SSS.Quality=0
r.SSS.HalfRes=1
r.GBufferFormat=3
s.AsyncLoadingThreadEnabled=1
r.Filter.SizeScale=0.2
r.setres=640x480wf
r.Tonemapper.Sharpen=0.1
r.TonemapperGamma=2.5
r.DeferSkeletalDynamicDataUpdateUntilGDME=1
r.DeferUniformBufferUpdatesUntilVisible=1
r.DoInitViewsLightingAfterPrepass=1
r.SkinCache.Mode=1
r.ClearWithExcludeRects=2
r.CreateShadersOnLoad=1
r.OptimizeForUAVPerformance=1

[ConsoleVariables]
AllowAsyncRenderThreadUpdates=1
AllowAsyncRenderThreadUpdatesDuringGamethreadUpdates=1
AllowAsyncRenderThreadUpdatesEditor=1

[TextureStreaming]
BoostPlayerTextures=1.0
AllowStreamingLightmaps=False

[WindowsApplication.Accessibility]
StickyKeysHotkey=False
ToggleKeysHotkey=True
FilterKeysHotkey=True
StickyKeysConfirmation=True
ToggleKeysConfirmation=True
FilterKeysConfirmation=True