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Can temperatures effect FPS in games?

Discussion in 'Graphics Cards' started by J-Man, Nov 22, 2008.

  1. J-Man

    J-Man New Member

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    I wanted to know because when I game for hours in L4D, Call of Duty 4 etc, my card reaches 65-70c during gaming and sometimes I lag a little like my FPS drops to about 50-60 then goes back to up about 90-110 again.

    Edit: When I game, I have my fan speed set to 55% so my card idles at about 56c which isn't bad.
     
  2. JrRacinFan

    JrRacinFan Served 5k and counting ...

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    Yes J. Overheating can produce a lag effect.
     
  3. AsRock

    AsRock TPU addict

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    Temps to high for a CPU would. As for GPU i think they get shutdown if they get o hot these days. Artifacts is the tipical effect that you will see when a v card is overheating or some times a black screen just depends on what part is overheating.

    Why not higher the fan speed on your v card so those temps lower more ?. As they need to come down some really.

    CPU vid
    http://www.youtube.com/watch?v=BSGcnRanYMM
     
  4. J-Man

    J-Man New Member

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    55% seems to be the max I can take because any higher, my GPU fan sounds like a helicopter :p
     
  5. Mussels

    Mussels Moderprator Staff Member

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    Temps can cause it. Mostly because CPU's have a temp at which they clock down, to prevent them dying (usually 80C+)

    video cards its unlikely. you sure its not something else, like a background app, running out of ram or needing a defrag?
     
  6. J-Man

    J-Man New Member

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    I got 4GB of RAM so it's not that. I haven't preformed a defrag in a few weeks actually.
     
  7. Mussels

    Mussels Moderprator Staff Member

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    just because you have 4GB's doesnt mean you cant use it all up. i've got some games that use 2.5-3GB on max settings, add a few background apps in and its not impossible.
     
  8. J-Man

    J-Man New Member

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    I only run NOD32, CCC, Steam and Xfire in the background.
     
  9. SiliconSlick New Member

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    I was thinking harddrive swapping myself - maybe you can notice the HD light on your rig next time it goes to 50-60 and see if it's solid lit and cranking. That would be a good clue to check.
     
  10. v-zero Guest

    Only if the drivers throttle the card because of thermals. Heat alone will not affect the performance, unless it ends it entirely.
     
  11. J-Man

    J-Man New Member

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    Since you mentioned HDD's, I was thinking of getting 2 or 3 10k rpm HDD's. Which is better? Raptor or Velociraptor HDD's?
     
  12. p_o_s_pc

    p_o_s_pc F@H&WCG addict

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    The Velociraptor. It is faster and SATA II I think the smaller size also affects it too but not for sure


    here is a link that compairs the Velociraptor and the raptor http://www.hardforum.com/showthread.php?t=1313337
     
    Crunching for Team TPU
  13. imperialreign

    imperialreign New Member

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    true - but an overheating GPU can cause not only artifacts, but stuttering and glitches as well . . . thing is, normally by the time you see this from GPU overheating, you're about seconds away from a blackscreen and system crash . . . :ohwell:
     
  14. J-Man

    J-Man New Member

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    I've never had any black screens and/or systems crashes due to my GPU. Mainly from overclocking too high previously (weeks ago) on my CPU haha.
     
  15. AsRock

    AsRock TPU addict

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    Indeed, When i have pushed this 2900XT to far i got black screens and noticed it go in to 2D mode. Well i persume it's 2D mode due to the power usage goes down to that usage.
     
  16. eidairaman1

    eidairaman1

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    Last edited: Nov 23, 2008
  17. J-Man

    J-Man New Member

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    Yeah I think I've seen that before, might have, might not. I know CPU temperatures can effect FPS but I've wondered if GPU temperatures can. It might be a simple defrag that needs performing?
     

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