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Windows 7: Steam games Major FPS Drop

04 Apr 2009   #1

Windows 7/Linux Mint
Steam games Major FPS Drop

Hey everyone, I'm Existence.
I recently installed Windows 7 build 7000 x64, and I love everything about it. It is definitely going to be my main OS, however, I have one problem. Whenever I play any Steam/Valve game (TF2, HL2, CS:S, L4D), my FPS is extremely low. I get maybe 20-40 FPS, whereas if I boot my XP partition I get 90-150.

I have a Radeon HD 4670, Athlon 64 3800+ X2, and 6 GB of ram.
I disabled the Aero effects whenever I play, and try to keep background processes to a minimum.

Also, I think it may be my CPU. When I have task manager on my second monitor, and I play a game, the CPU usage is always 80-100%.

Any help is appreciated.

My System SpecsSystem Spec

04 Apr 2009   #2

Windows 7

I am having the exact same issue. I have the Athlon 4000+ San Diego, 2GIG DDR, 4850

I have tried everything to get my FPS back up. If I run at 1400x900 or if I run at 1920x1200 I have the same FPS.
My System SpecsSystem Spec
04 Apr 2009   #3

Windows 7

I cleaned out all of the video drivers and reinstalled 9.3 but no luck.
My System SpecsSystem Spec

09 Apr 2009   #4

Windows 7

ATI Drivers 9.4 just came out and my performance went up about 50% in CS:S. I think it may still be a little slower than XP but it is playing very well now compared to what it was before. I am happy.
My System SpecsSystem Spec
13 Apr 2009   #5

Windows 7

Well spoke too soon...I still have FPS issues with Steam games. My suspicion is the CPU.
My System SpecsSystem Spec
14 Apr 2009   #6

Windows 7 7600

wow i haven't had any FPS drops what so ever in CS:S
still keeping a 220 - 280

Sometimes drops to around 170 but that is the lowest i have seen on Windows 7 so far.
My System SpecsSystem Spec
20 Apr 2009   #7

Windows 7 Ultimate x64

I dont know if this is relevant , or if it will help , but I run my steam games with a set of launch properties , i.e -heapsize xxxxmb(sets away amount of ram for use in game) -high (is meant to give priority to game from cpu)
others include -noforcemaccel -noforcemparms -noipx -nojoy -console -tickrate 100 -refresh 100 -noforcemspd and of course -dxlevel 81 (so as to run them under DirectX 8.1 as it runs better in that format)

Hope it helps .

My System SpecsSystem Spec
20 Apr 2009   #8

Windows 7 build x64

Also you may try AMD Fusion- Only for AMD users-lol
My System SpecsSystem Spec
21 Apr 2009   #9

XP Pro 32 bit/Win 7 64 bit

For the most part I haven't seen any big FPS drop on any game installed on my comp. The only game we have in common though is L4D and from what I can tell it's still running perfectly.
My System SpecsSystem Spec

 Steam games Major FPS Drop

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