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6800GT Overclock

post #1 of 10
Thread Starter 
Just flashed the BIOS of my 6800GT from the stock 350MHz/500MHz and 1.3v to 450MHz/700Mhz and 1.5v

Just wondering if this is perhaps pushing the card a little far or if it will be able to handle it?

Is there a GFX equivalent of Prime95 to test its stability ?
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post #2 of 10
3DMark05 allows you to benchmark your card but not to specifically test for stability.
Still, you can run it and check for artifacts. Also check your gpu temperature when the card is under full load.
Last but not least compare your 3DMark05 results to those of other people who own a 6800GT.
If you don't get any artifacts and your temperature remains within the acceptable boundaries and you get a normal score then it all means your card is stable.
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post #3 of 10
Thread Starter 
Quote:
Originally Posted by z_one
3DMark05 allows you to benchmark your card but not to specifically test for stability.
Still, you can run it and check for artifacts. Also check your gpu temperature when the card is under full load.
Last but not least compare your 3DMark05 results to those of other people who own a 6800GT.
If you don't get any artifacts and your temperature remains within the acceptable boundaries and you get a normal score then it all means your card is stable.
Turns out my card didn't like being run at those speeds. I speak in past tense because it fried !

Ah well, I was looking for an excuse to upgrade to a 7800GTX anyway.
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post #4 of 10
You should get 2 GS's for sli...mmmmm can we say 10k+ in 3dm05.

Or just spend another 30 bucks for a 1800xt.
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post #5 of 10
Thread Starter 
A 7800GTX performs better than two 6800GS cards in SLI. It might cost less but personally I feel that to be a waste of money seeing as I could get the same performance from one card leaving me room for SLI at a later date.

The X1800XT is a great card and I have been looking at it but because it is a new architecture compared to the 7800 core [ which is just a faster 6800 core really ], there have/are a few problems with it that need sorting.

Because of that, I`m going to stick with nVidia for the time being.
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post #6 of 10
what problems?

The xt is a great overclocker and will outperform a 256 gtx all day. Id say go for it.
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post #7 of 10
Quote:
Originally Posted by Enigmatic
Just flashed the BIOS of my 6800GT from the stock 350MHz/500MHz and 1.3v to 450MHz/700Mhz and 1.5v

Just wondering if this is perhaps pushing the card a little far or if it will be able to handle it?

Is there a GFX equivalent of Prime95 to test its stability ?


Okay I remember doing this a long time agoe... 1.5v didn't work for my card and that was a MSI 6800gt. For some reason when I set the voltage that high and up the 3d core; the card just locked up on me. So your best bet is 1.4v, update your bio, driver, coolbits; and get NVS5.. with all of that you should easly hit 6k on 3dmark 05
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post #8 of 10
That's a really high OC on the memory... probably too high. I never managed more than 450/1200 on water at 1.3v on my GT. Most people will never see anything close to 1400Mhz, what kind of cooling did you have? You'll enjoy the GTX if you end up getting one, it's a big step up from an already great card.

For stability I, like many others, play a demanding game and if there's no artifacts after a couple hours then I consider that stable.
    
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post #9 of 10
Quote:
Originally Posted by Transonic
That's a really high OC on the memory... probably too high. I never managed more than 450/1200 on water at 1.3v on my GT. Most people will never see anything close to 1400Mhz, what kind of cooling did you have? You'll enjoy the GTX if you end up getting one, it's a big step up from an already great card.

For stability I, like many others, play a demanding game and if there's no artifacts after a couple hours then I consider that stable.

with a GTX you can get 1400Mhz on memory.
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post #10 of 10
hey, you should send that dead msi to me...

anyway, didnt notice this thread when you first posted or else I would have commented on the memory overclock... 1400 was just not gonna happen... :/
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