Luthier, the issue with HD6xxx series cards might be the same issue I get with my HD4870. The issue is the cards do not clock up to max clock speeds when running Cliffs of Dover, they sit at idle. All ATI/AMD graphics card users should check their clockspeeds while playing Cliffs of Dover, you may find its not clocking up and this is a significant cause of FPS issues.
I get poor performance from this. My workaround involves forcing clockspeeds on the card and overriding the PowerPlay function which controls the clocks dynamically. I am not sure if this is a driver related issue or due to the fact the game runs in a pseudo-fullscreen mode which is not common in 3D games.
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04-11-2011, 05:17 AM
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