AMD Catalyst Driver Version, and Driver History
Currently 13.3 Beta, have tried 13.1 and 12.6, using AMD Cleanup Utility between installations.
Windows 7 64-bit SP1, fully updated
Games lately feel very choppy, despite registering 60 FPS and stable pings. Please see this video for my issue: http://www.youtube.com/watch?v=j4MjTZadweg
Motherboard or System Make & Model
ASUS P6X58D Premium
Display Device(s) and Connection(s) Used
Samsung T220HD connected via HDMI
Applications and Games
I've seen the issue in TF2, Left 4 Dead 2, and Loadout so far.
i7 930 (HyperThreading enable) @ 2.8GHz (stock)
Motherboard BIOS Version
BIOS is currently the last available, 1501
System Memory Type & Amount
3x 2GB Mushkin Redline
Nothing remarkable (DVD burner, wi-fi dongle)
I've reinstalled Windows 7 twice
I've switched USB wi-fi adapters
I've ditched those and connected directly to the router
I've set everything to their lowest possible settings (apart from resolution) with no difference in performance
I've changed mouses and keyboards
I've tried a different video card (XFX HD 6770)
I've reset CMOS for lack of ideas
Temperatures all seem perfectly fine, and the system feels completely stable besides this performance issue.
I'm willing to attempt any horrible voodoo/diagnostic you folks might suggest, as I don't fancy having to RMA something, pay for shipping and get told there's no problem with it.
Thank you in advance and sorry if I've left out any pertinent details.