Ive posted 3 things for u to try mate. Working well for me atm
Chuck ur res down to 1280x800 and turn on AA x8
Replace these in your config.ini mate
[rts]
tickLen=30
ProcessAffinityMask=15
maxTimerTicksInRealTick=20
; 0 - not use, 1 - show cursor and not capture, 2 - not show cursor, and capture
mouseUse=2
; 0 - not use, 1 - use if hardware exist
joyUse=1
; 0 - not use, 1 - use if hardware exist
trackIRUse=0
DisableIME=0
culture=en-GB
[rts_mouse]
SensitivityX=1.0
SensitivityY=1.0
SensitivityZ=1.0
Invert=0
SwapButtons = 0
[rts_joystick]
FF=1
[core]
RandSeed = 0
TexQual=3
TexFlags.PolygonStipple=0
Shadows=0
SpecularLight=2
DiffuseLight=2
DynamicalLights=1
MeshDetail=2
LandShading=0
LandDetails=0
Sky=3
Forest=2
VisibilityDistance=4
LandGeom=2
DrawCollisions=1
Water=-1
Effects=2
EffFlags.Light=1
EffFlags.SpriteRender=0
Grass=-1
CordEffect=1
UseFog=0
UseLandCube=1
UseLandConnectedObject=1
LinearObjectManager=1
Roads=1
Sun=1
Clouds=1
EffFlags.LightSpritesProj=1
ShadowMapSize=5
TexFlags.AsyncLoad=1
TexFlags.ShowTexture=0
SimpleMesh.SWTransform=0
SimpleMesh.QuadTreeClip=1
SimpleMesh.InstancingHW=1
EffFlags.LightContextSprites=1
CloudsFlags.Detailed=1
TexFlags.CreateHDR=1
Decals=2
EffFlags.SWLight=0
TexFlags.CockpitOnePass=0
MegaTexture=0
TexFlags.Reflection=0
RenderTargetQual=3
MSAA=4
MeshStatics=2
MeshStaticsDetail=0
SimpleMesh.QTNoCompose=0
MeshFirstLod=0
MeshShowLod=0
SpawnHumans=0
TexFlags.FastTransparency=1
And chuck these settings in your nvidia control panel mate.
Also, disable clouds in your realism settings.
Let me know if it helps
