Sudden drop of frame rate

I have been playing TF2 for a month or so now and I have had no problems holding 60fps. I have vsync enabled because without I get 100+ fps and really bad tearing.

Through the last few days I've noticed my frame rates will drop from 60 to less than 30 sometimes. Even if I'm in a tunnel with one other enemy it will freak out. It seems to be getting worse and doing it more often.

Anyone have any idea what could be causing this? I have not installed any new programs or anything. My temps when the frame rate drops occur are ~50C and ~58C for the CPU and GPU respectively so it is not an overheating issue.

System specs:
AMD Athlon 64 X2 5000
Radeon HD4830 (OC'd to 675/1175)
4GB DDR2-800 (2x2GB)
PC P&C 500W PSU
XP Pro
3 answers Last reply
More about sudden drop frame rate
  1. Well, 30 fps is still a decent figure. Maybe you need to update GPU drivers? It's probably that TF2 was updated, especially since you're playing it through Steam.

    I also realized that TF2 did come out with a new update, which may require an update on your part (and why did you post here btw? :P )
  2. TF2 is just really poorly optimized. I have an Athlon x2 4000+ (2.1GHz) and an HD4850, i'm hovering between 20 and 40 during any action, 60+ in places with few people. My friend with a Q6600 @ 3.4 and an HD4870 is hitting the same FPS as me.
  3. Honestly, I see no problem at all with the GPU or optimization. But who knows, maybe TF2 is badly optimized. With your hardware, TF2 should be more than fine.
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