本人多次修改了SkyrimPrefs.ini，主要是修改了一些特效跟双核CPU的优化，实际上对流畅度的优化并不很明显，因为找不到原版的INI文件了，所以放出来仅供大家参考，懒得修改的可以无视。

[Display]

iTexMipMapSkip=0

bFXAAEnabled=0

fMeshLODLevel2FadeDist=3072.0000

fMeshLODLevel1FadeDist=4096.0000

fSpecularLODStartFade=1000.0000

fLightLODStartFade=2500.0000

fTreesMidLODSwitchDist=5000.0000

iShadowMapResolution=2048

fShadowBiasScale=0.2500

iShadowMaskQuarter=4

iBlurDeferredShadowMask=3

fShadowDistance=4000.0000

iMaxDecalsPerFrame=100

iMaxSkinDecalsPerFrame=25

iAdapter=0

iSize W=1920

iSize H=1080

iMultiSample=0

iMaxAnisotropy=16

iPresentInterval=0

bFull Screen=1

fInteriorShadowDistance=3000.0000

bFloatPointRenderTarget=1

fGamma=1.0000

iShadowFilter=3

fDecalLOD2=1500.0000

fDecalLOD1=1000.0000

fShadowLODStartFade=200.0000

iTexMipMapMinimum=0

bTransparencyMultisampling=0

iWaterMultiSamples=0

iShadowMode=3

bTreesReceiveShadows=1

bDrawLandShadows=0

bDrawShadows=1

fLeafAnimDampenDistEnd=4600.0000

fLeafAnimDampenDistStart=3600.0000

fMeshLODFadePercentDefault=1.2000

fMeshLODFadeBoundDefault=256.0000

fMeshLODLevel2FadeTreeDistance=2048.0000

fMeshLODLevel1FadeTreeDistance=2844.0000

iScreenShotIndex=0

bShadowMaskZPrepass=0

bMainZPrepass=0

sD3DDevice="NVIDIA GeForce GTS 250"

[Imagespace]

iRadialBlurLevel=2

bDoDepthOfField=1

[LOD]

fLODFadeOutMultActors=5.0000

fLODFadeOutMultItems=4.5000

fLODFadeOutMultObjects=10.8000

fLODFadeOutMultSkyCell=1.0000

[Grass]

fGrassStartFadeDistance=5000.0000

b30GrassVS=0

fGrassMaxStartFadeDistance=7000.0000

fGrassMinStartFadeDistance=400.0000

[Decals]

bDecals=1

bSkinnedDecals=1

uMaxDecals=1000

uMaxSkinDecals=100

uMaxSkinDecalsPerActor=60

[TerrainManager]

fTreeLoadDistance=40000.0000

fBlockMaximumDistance=150000.0000

fBlockLevel1Distance=40000.0000

fBlockLevel0Distance=25000.0000

fSplitDistanceMult=1.1000

bShowLODInEditor=0

[BlurShaderHDR]

bDoHighDynamicRange=1

[BlurShader]

bUseBlurShader=0

[Launcher]

bShowAllResolutions=0

uLastAspectRatio=3

[Water]

iWaterReflectHeight=512

iWaterReflectWidth=512

bUseWaterDisplacements=1

bUseWaterRefractions=1

bUseWaterReflections=1

bUseWaterDepth=1

[MAIN]

fSkyCellRefFadeDistance=150000.0000

bGamepadEnable=1

bCrosshairEnabled=1

fHUDOpacity=1.0000

bSaveOnPause=1

bSaveOnTravel=1

bSaveOnWait=1

bSaveOnRest=1

[GamePlay]

bShowFloatingQuestMarkers=1

bShowQuestMarkers=1

iDifficulty=2

[Interface]

bDialogueSubtitles=1

bGeneralSubtitles=1

bShowCompass=1

[Controls]

bMouseAcceleration=0

fMouseHeadingSensitivity=0.0160

fGamepadHeadingSensitivity=1.4050

bAlwaysRunByDefault=1

bInvertYValues=0

bGamePadRumble=1

[Particles]

iMaxDesired=750

[SaveGame]

fAutosaveEveryXMins=15.0000

[AudioMenu]

fAudioMasterVolume=1.0000

fVal7=1.0000

uID7=0

fVal6=1.0000

uID6=0

fVal5=1.0000

uID5=0

fVal4=1.0000

uID4=0

fVal3=0.5000

uID3=466532

fVal2=1.0000

uID2=554685

fVal1=1.0000

uID1=1007612

fVal0=0.6000

uID0=94881

[Clouds]

fCloudLevel2Distance=262144.0000

fCloudLevel1Distance=32768.0000

fCloudLevel0Distance=16384.0000

fCloudNearFadeDistance=9000.0000

[General]

iStoryManagerLoggingEvent=-1

bEnableStoryManagerLogging=0

[Trees]

bRenderSkinnedTrees=1

uiMaxSkinnedTreesToRender=40