After several testing I stumbled upon a pretty good performance guide for gaming in general: http://forums.guru3d.com/showthread.php?t=327922 (This von Dach guy is a genius) I did most of the mentioned things. especially: - Disable core parking - Disable HPET in Bios and windows via cmd: bcdedit /set useplatformclock false I would advise you to read the thread if you want to know what it does. - Disable cpu enhanced halt - Use Flip queue size 0 via Radeonpro: http://forums.station.sony.com/ps2/...r-fps-or-make-the-game-more-responsive.69391/ - Disable windows aero - Disable anti-virus software - This config tweaks: http://forums.steampowered.com/forums/showthread.php?t=3029182 - my config: GraphicsQuality=2 TextureQuality=3 TerrainLOD=5 FloralDistanceScale=2.000000 ShadowQuality=0 RenderDistance=-1.000000 Gamma=0.000000 MaximumFPS=120 UseLod0a=0 OverallQuality=-1 LightingQuality=2 EffectsQuality=1 TerrainQuality=5 FloraQuality=1 ModelQuality=5 MotionBlurQuality=5 BlurQuality=5 AOQuality=5 AmbientOcclusionQuality=5 ParticleQuality=5 VerticalFOV=60 FloralLOD=5 EffectsLOD=5 ParticleLOD=0 ParticleDistanceScale=2.000000 EffectsDistanceScale=2.000000 FogShadowsEnable=0 MotionBlur=0 VSync=0 AO=1 GpuPhysics=0 My system: i5 2500 @ 3.30 Ghz HD 6870 catalyst 12.11 beta 8 gig ram windows 7 64 bit This boosted my fps to steady 45 – 50 fps even in big battles. At the warpgate I get around 60 – 100 fps now. Got an improvement of 20 fps and very smooth gameplay with this settings. So give it a shot.