Might be useful for exact comparison of PC vs PS4 Witcher 3 performance/qulity or for mid-low end PC Users.

In order for the settings to work properly you need to manually edit ...Documents\The Witcher 3 user.settings withe the values below, make sure to cheek ready-only after your done editing to prevent unwanted changes from cloud save or etc.


bin\config\base\Rendering.ini 

[PostProcess]
AllowBloom=true
AllowShafts=true
AllowAntialias=true
AllowMSAA=false
AllowBlur=true
AllowDOF=true
AllowVignette=true
SharpenAmount=1.f
AllowRain=true
AllowSSAO=true
AllowMotionBlur=true
AllowCutsceneDOF=true
AllowBillboards=true
AllowSoftLight=true
AllowFog=true
AllowUnderwater=true
AllowChromaticAberration=true
[Rendering]
MaxTextureSize=2048
MaxAtlasTextureSize=2048
MaxCubeShadowSize=512
MaxSpotShadowSize=512
TextureDownscale=0
DetailTextureDownscale=0
AtlasTextureDownscale=0
TextureMemoryBudget=500
TextureMemoryGUIBudget=80
TextureTimeBudget=10
TextureInFlightBudget=64
DecalsChance=1.0f
DecalsSpawnDistanceCutoff=10.0f
TextureStreamingDistanceLimitSq=40000.f
TextureStreamingCharacterDistanceLimitSq=225.f
TextureStreamingHeadsDistanceLimitSq=100.f
TextureStreamingReduceGameplayLOD=true
UberSampling=0
TextureMipBias=0
MsaaLevel=0
DynamicDecalsLimit=60
DynamicDecalsChunkLimit=30
MeshRenderingDistanceScale=1.0f
MeshLODDistanceScale=1.0f
TerrainScreenSpaceErrorThreshold=2.0f
TerrainErrorMetricMultiplier=10
ForceInstantAdaptation=false
ForceInstantEnvProbeUpdate=false
EnableTemporalAA=true
CascadeShadowFadeTreshold=1.0f
CascadeShadowmapSize=1024
CascadeShadowQuality=0
MaxCascadeCount=4
MaxTerrainShadowAtlasCount=3
GlobalOceanTesselationFactor=10
UseDynamicWaterSimulation=true
UseHairWorks=false
HairWorksAALevel=4
HairWorksGlobalStrandSmoothness=3
HairWorkstGlobalDensityLimit=2.0f
HairWorksGlobalDensityQuality=1.0f
HairWorksGlobalDetailLODFactor=1.0f
HairWorksGlobalWidthLimit=5.0f
TerrainReadAheadDistance=200.0f
ForcedDebugPreviewIndex=-1
HardwareCursor=false
[TextureStreaming]
MaxResidentMipMap=6
[LevelOfDetail]
MeshLodGameplayDownscale=0
CharacterLodGameplayDownscale=0
DecalsHideDistance=30
StripeHideDistance=60
SwarmHideDistance=200
DimmerHideDistance=60
[Budget]
DecalBudget=100
[Scaleform/GlyphCache/1]
NumTextures=2
TextureHeight=2048
TextureWidth=2048
MaxSlotHeight=48
SlotPadding=2


bin\config\platform\ps4\rendering.ini 

[PostProcess]
AllowBloom=true
AllowShafts=true
AllowAntialias=true
AllowMSAA=false
AllowBlur=true
AllowDOF=true
AllowVignette=true
AllowSharpen=true
AllowRain=true
AllowSSAO=true
AllowMotionBlur=true
AllowCutsceneDOF=true
AllowBillboards=true
AllowSoftLight=true
AllowFog=true
AllowUnderwater=true
AllowChromaticAberration=true
[Rendering]
TextureMemoryBudget=300
WaterGeometryQuality=10
TerrainScreenSpaceErrorThreshold=2.0
TerrainScreenSpaceErrorThresholdFar=5.0
CascadeShadowFadeTreshold=1.0
CascadeShadowQuality=0
MaxTerrainShadowAtlasCount=3
EnableTemporalAA=true
MaxCascadeCount=3
CommandBufferSizeKB=4096
[LevelOfDetail]
DecalsHideDistance=40.0
StripeHideDistance=60.0
SwarmHideDistance=200.0
DimmerHideDistance=60.0
[Budget]
DecalBudget=100
MaxMeshTrianglesCount=6000000
MaxMeshChunksCount=1500
MaxEmittersCount=300
MaxParticlesCount=40000
MaxParticleMeshChunksCount=150
MaxParticleTriangleCount=8000
VisibleObjectsBudget=2000

User.ini
[Editor]
DisplayCameraTransform=false
RenderingPanelCameraAcceleration=4
RenderingPanelCameraSpeed=2
SkippedSearchPaths=trailers;levels/island_of_mist/trailers;levels/kaer_morhen/trailers;levels/novigrad/trailers;levels/prolog_village/trailers;levels/skellige/trailers;levels/spiral/trailers;levels/toussaint/trailers;levels/wyzima_castle/trailers
AllowTerrainSyncLoading=true
[Engine]
PerformancePlatform=2
[Gameplay]
UsePad=false
ShowSubtitles=true
[Database]
Address=CDPRS-MSSQL\sqlexpress
Name=EditorStringDataBaseW3
[ReviewSystem]
TTProject=test_project3
UseWindowsAuthentication=true
SQLUser=testronic
SQLPass=<lWk^&osJ&<K\GoG`gF7

If anyone could provide the 1.62 patch version files would be much appreciated :D someone with a moded PS4