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8400GS overclock

  1. #1
    mansrm81's Avatar

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    8400GS overclock

    Is it a good idea to overclock this card and is there any good performance increases?

    Also what is a good program to test the stability of the overclock.

    Last edited by mansrm81; 29 Aug 2009 at 01:58.
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  2. #2
    Macavity's Avatar
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    Re: 8400GS overclock

    With 8 series cards, overclocking usually improves things. Use GPU-Z to monitor temperatures and RivaTuner to increase MHz.

    The best approach is to increase the memory or core clock by 5 MHz, then run a game for a short period and look for visual artifacts. Do this while logging temperatures with GPU-Z. As the MHz increase becomes extreme run prolonged graphically intensive temperature and artifact tests.

    Depending on situation a 30% overclock is indeed possible.

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  3. #3


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    Re: 8400GS overclock

    The 8400gs is not a gaming card, and should probably not be overclocked. It's a budget card that it more geared towards multimedia than gaming.

    Personally, I wouldn't recommend overclocking anything lower than a x800gt series(8800GT, 9800GT, etc)

    Even if you do overclock that card, it woun't be much and you won't see a notciable difference, especially with the rest of your system.

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  4. #4
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    Re: 8400GS overclock

    Using the apps Macavity suggested, you could give it a go. But as CH mentioned, you're unlikely to notice any real improvement.

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  5. #5
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    Re: 8400GS overclock

    Just to make it three comments on the negative side ..............dont bother , the only real improvement you see overclocking gpu's is when you ramp up the memory alongside the core , if you try and oc the memory on that card it'll meet a very untimely end , or at the very least get very very hot and artifact all over the place , sorry

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  6. #6
    Macavity's Avatar
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    Re: 8400GS overclock

    Well I'll back down then... and go up my 8600's memory clock another few megahertz .

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  7. #7


    Join Date : Sep 2009
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    Re: 8400GS overclock

    I had this card earlier this year (ASUS) was a pretty okay card,I overclocked it on stock and went pretty far.I could play Crysis on Medium-High settings.Hope this helps.

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  8. #8
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    Re: 8400GS overclock

    Quote Originally Posted by archie123 View Post
    Just to make it three comments on the negative side ..............dont bother , the only real improvement you see overclocking gpu's is when you ramp up the memory alongside the core , if you try and oc the memory on that card it'll meet a very untimely end , or at the very least get very very hot and artifact all over the place , sorry
    i was just about to say this.......

    GPU OC's are flaky at best, unless you can pull a pretty high (stable) OC its a pointless exercise...

    GPU's run VERY hot by default, & a few mhz over stock will send a lesser cards temps through the roof (& im not saying your cards crap, its just not ''high end'' & has cooling relative to that.)

    if you are able to pull a pretty decent OC, b/c its lacking ''SP's'' your only likely to gain 1-2fps increases...

    IMHO.....buy a newer card, even a jump to an 8800GT will be ''night & day'' difference from the 8400GS (they're dirt cheap now)

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  9. #9
    pauliewalnuts's Avatar
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    Re: 8400GS overclock

    I am considering overclocking my 8400M GS card.

    Right now its temperature is a rather pedestrian 53 decrees Celcius. I have heard that anything below 60 is absolutely fine and safe for the card.

    At any rate, the latest NVIDIA-authored forceware for cards operating on 64-bit Vista or 64-bit Windows 7 operating systems is here.

    32-bitters find NVIDIA forceware here.

    Both are supposed to work fine with DirectX 9 and 10.

    And of course:

    Learn how to uninstall your old drivers and prepare your system for integrating forceware properly here.

    I'm going to take it slow and post back on results. I don't play any games except for GTA San Andreas. :/

    This will be my very first time overclocking anything.

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  10. #10
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    Re: 8400GS overclock

    Quote Originally Posted by pauliewalnuts View Post

    Right now its temperature is a rather pedestrian 53 decrees Celcius.


    This will be my very first time overclocking anything.
    Is that your idle or load temps?

    It's the load temps you have to worry about.

    Good luck

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