Thanks for the information. I am running Windows 7 x64 with McAfee Antivirus.
I noticed that the vertical synch is ON both on NVidia Control Panel and Starcraft 2 settings.
I switched it off but there is little difference.
I should correct the problem statement - I am not sure that is a framerate issue. On specific levels (Zeratul Missions)
where there are many details on the screen - not necessarily during huge battles - there is a slowdown on the gameplay.
The responsiveness is drastically decreased for 1-2 seconds.
I gave up and decreased the settings, especially CPU related ones, to medium and low. It is now very responsive but a Zeratul
mission is still shows problems.
Other games do not show problems. However, during playing Borderlands, sometimes the game enters deadlock. I read reports
of NVidia driver faults specific for that game.
In all honestly that card should be outperforming your needs, the fact that it isn't is an issue.
The card could not be performing as intended and is damaged, unlikely, or SC2 just does not manage to utilize it as it should.
When you notice frame rate drops in SC2, does it usually happen during full resourced battles or randomly?
Have you tried other games with it that would put a heavy tax on its ability to see if it is working as intended?
Sounds like system resource management is effecting the performance during gaming. Could there be something running in the background slowing down the system.
It could be a vertical Sync issue, the only thing better then this card is the 580/590 and the 6990 (based of the hierarchy chart), all of which should not necessarily run SCII any better.
Playing SCII with that card is like going to the corner market in a Lambo,