Why do I get such low fps with my machine?

Hey everyone. I've been looking though a few different forums so hopefully you guys can give me a good answer. I have seen computers with roughly the same specs as mine or even worse specs than mine (my specs below) who run extremely higher quality and at much higher frame rates. Does anyone have any idea why I would be running 4-12 fps at all LOW settings? This makes no sense to me so I'm looking for good help:

My Specs:
Intel Core i5-650 3.2ghz dual core
Two XFX Radeon 5770 graphics cards in crossfire
Asus P7P55 motherboard
2 x 2 GB Memory
1TB hard drive at 7200 rpm
windows 7 home premium (32 bit)

fsx gold edition with sp1

Thanks for your help!
11 answers Last reply
More about machine
  1. I forgot to say that I'm trying to run Flight Simulator X... sorry
  2. try game with crossfire off. has some older games run slower in crossfire.
  3. what resolution? with your video setup you should be running 1680 x 1050 minimum for the video cards to take the load, 1920 x 1080 or 1920 x 1200 would be recommended. This way the video cards are doing the work, if you run at lower then 1366 x 768 or 1280 x 1024 your CPU is doing the work, and that is why your frame rates would be low.
  4. I'm at 1920 x 1200 x 32. I've tried with all different resolutions and they really don't seem to affect the frame rate at all. Sometimes it will run FSX pretty well (still not what I'm expecting), but other times it's just ridiculous how bad it looks. Any other ideas?
  5. Either the game has issues with crossfrie, or your PSU is too weak, and not providing enough power, or you CPU or GPU is over heating.
  6. what PSU do you have, 2 5770 is 600w minimum. What brand PSU do you have.
  7. This one from PC Power & Cooling (750W):

    I shouldn't have any problems with that and it even says crossfire ready.
  8. I've tried tweaking the cfg file, disabling crossfire, uninstalling and reinstalling it, and installing it as some guides reccomend, but NOTHING has worked or changed how the game runs at all. I'm completely dumbfounded at what could be slowing me down so much. Any more ideas?
  9. May I ask why you've got 4GB Ram with a 32bit OS? What drivers are you using? What settings in CCC? AI setting?
  10. 1. because what is not being used by that 4 gb (about a gig) can go to allocated memory 2. all of my drivers have been updated to the latest versions of either today or yesterday 3. catalyst control center won't open. I'm working on that, but that seems to be a semi-common problem.
  11. Catalyst Control not working usually means you don't have a recent version of DotNetFX. I think 4.0 is out now. ...or is it Windows Installer... I mix the 2 up
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