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Best 8800 GT overclocks




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@bildo123...What's your 3DMark06 score?


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Dunkel wrote :

@bildo123...What's your 3DMark06 score?



@ 1920x1200 It's a hair under 10k I think it's 97xx (I'll get an exact number when I get home)
@ 1280x1024 It's 11399.

Just got home from school, looks like my score @1920x1200 with speeds of 710/1775/995 is 9885. I actually broke 10k(10099) when I upped the voltage to 1.22Idle and hit 750/1915/995 but the heat output and next to unoticable gain wasnt worth it so I back the voltage down to 1.1V Idle.


Message edited by bildo123 on 02-29-2008 at 02:59:34 AM

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I got a few questions:

When people are overclocking are they linking the sliders in rivatuner? I have mine linked right now.

Has anyone done the bios update? I dont know how old it is or where to get it but heard it helps fan speed control. Is there anything else it helps beside fan speed control? Where can I find support for this?


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I believe more and more people are unlinking the sliders to maximize their OC, since it's becoming common knowledge.


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After some further testing I actually went back to stock voltage and stuck with my 700/linked/990 setting. So is all the hype about the 8800GT's memory interface failing if clocked to 1Ghz or above a hoax or real? I can get my memory stable to 1040 and it did provide a very very nice real world gain in FPS aka 3FPS, but hey for zero effort 3 FPS can go a long way.


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I'll let you know as when my coolers come in I will be overclocking 720/1000 24/7.


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I'm kind of bummed! My best overclock for 2 minutes when stressing under ATI tool was 715/990/1781. I was hoping for a lot more. Anyone else this low?

Anything more than that I would start having errors at around 30 seconds.


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I'm currently unlinked with a eVGA 8800GT 512MB @

732/1590/1030 :bounce:

I can run ATITool for ~2 minutes without artifacts. Stock fan and heatsink, fan speed @ 65% temps never go above 65C.

I'll try 3DMark06 tomorrow.


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Oh wow... I'm thinking I ought to unlink and run the shaders slower too. I'll try that tonight.


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It's fine to have a little artifact when using ATI tools. It will rarely, if ever, show in any game.


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Evilonigiri wrote :

It's fine to have a little artifact when using ATI tools. It will rarely, if ever, show in any game.



What's a little artifact. If I can go about 30 seconds without an error is that ok? I'm thinking you might be right because the errors are just little dots here and there... it's not like the whole thing glitches.


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hughyhunter wrote :

What's a little artifact. If I can go about 30 seconds without an error is that ok? I'm thinking you might be right because the errors are just little dots here and there... it's not like the whole thing glitches.


Let's see...On mine the instant I start it it has errors. As long as the yellow dots doesn't fill up the whole screen real quick like, it seems to be fine for most games.

The vidcard OC's guide's example of artifact in ATI tools is fine. I have a lot more than that, and I don't see any artifacts in any of my games.


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Cool... I'm real solid (like 5 minutes) at 715/995 linked. I'm happy with that. I want to try to 3dmark06 with a little higher but will unlink the shader to do so. What are people's highest clocks that will pass 3dmark06?


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720/1050 is generally the highest the 8800GT can normally go. I dunno about the shader clock speeds.


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Should we make note here not to OC the memory past 1Ghz?


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