6800GS overclocking

KlinkB

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• Feb 20, 2006

• #1

I'm starting to overclock my 6800gs, and I'm not really sure whats "safe". I have stock cooling on it and i have it running at 450/1030. When I play source the temps are between 45 and 50. What temps are safe? What numbers do you think I should stop at? I'm looking to get a NV5 silencer but until then..

 

E

exceed

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Dec 12, 2005

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Morehead city, Nc

• Feb 20, 2006

• #2

take it up to 65 is my personal opinion, bump the memory up a bit, your core is pretty high but that memory should be able to hit 1150.

 

jtlee75

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Mar 19, 2002

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South Carolina

• Feb 20, 2006

• #3

with the clocks in my sig only my top card(sli) gets right to 58c.

 

OP

KlinkB

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• Feb 20, 2006

• Thread Starter
• #4

hit 5338 in 3dmark 05 not really sure how good that is, seems ok. input is welcome

 

chevro1et

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• Feb 20, 2006

• #5

Try downloading the coolbits registry tweak for your nvidia driver and check out the 'detect optimal frequencies' to give you a baseline to work from.
Is your card agp or pci-e? EDIT: I am guessing from the mobo in your sig that its pci-e...

Cheers.

 

Gabkicks

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• Feb 20, 2006

• #6

KlinkB said:

hit 5338 in 3dmark 05 not really sure how good that is, seems ok. input is welcome

Click to expand...

could u post ur comparison link plz?

 

bignick

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Jun 16, 2005

• Feb 20, 2006

• #7

I'm not really sure how your processor stacks up without a compare link but at stock clocks on CPU/GPU my system scored around 5600. Here is my best compare with specs as they are in my sig. http://service.futuremark.com/compare?3dm05=1798121
I just looked and my old system with a LGA 775 Celeron D 3.06@3220Mhz, Geil value ram PC3200 (512x2), and my 6800GS@530/1200 scored 5413 so I would say your score is a little low. And my card has no volt mods and it's on stock cooling. I run it at 534/1250 everyday. Temps are @30-35 idle full load 3D @65.

 

Gabkicks

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New Jersey

• Feb 20, 2006

• #8

http://service.futuremark.com/compare?3dm05=1719237 here is mine for my x800 if you were talking to me. i was gonna get the 6800gs but i couldnt wait any longer and got the x800gto agp. then the agp 6800gs came out a few weeks later

 

OP

KlinkB

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• Feb 20, 2006

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• #9

i just hit 5822 with lower core and memory speeds

 

bignick

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• Feb 21, 2006

• #10

Klink please post a compare URL. Most systems with 6800GS' PCI-e score around 6000. Keep tweaking and you should get there. Gabkicks that is a very respectable score for your system. Those Semprons are a great budget processor as the Celeron D's are. I have seen Semprons overclocked in the 2.7-2.8Ghz range that beat comparable Athlon 64's.

 

OP

KlinkB

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• Feb 21, 2006

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• #11

i dont have a url to post :X but for some reason when i oc my processor to 2ghz my computer gets choppy and my fps and scores drop?? do you know why it does that?

 

Gabkicks

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• Feb 21, 2006

• #12

did your pc pass prime95 testing?

 

chevro1et

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• Feb 21, 2006

• #13

KlinkB said:

i just hit 5822 with lower core and memory speeds

Click to expand...

The law of diminishing returns come into play here... bigger (numbers) not always better. You have to just keep tweaking until you find the sweet spot.

Cheers.

 

OP

KlinkB

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• Feb 21, 2006

• Thread Starter
• #14

Gabkicks said:

did your pc pass prime95 testing?

Click to expand...

not sure what that is, im still new to overclocking

 

OP

KlinkB

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• Feb 21, 2006

• Thread Starter
• #15

do you guys think my processor could hold my 3dmark scores back?

 

bignick

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• Feb 21, 2006

• #16

I don't know much about AMD chips but I would think a 3000+ is the weak link in your system. Also I think your CPU is not stable if it performs worse in benches at higher clocks. I would think that it is getting hot. If you go to 3Dmark.com and go to the ORB section and click project manager you can find your compare link. It would help us greatly in finding what's holding you back. Also are you on stock cooling?

 

OP

KlinkB

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• Feb 21, 2006

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• #17

i dont think my processors getting to hot at idle its 25-28C...

 

bignick

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• Feb 21, 2006

• #18

Doesn't matter what it ides at... matters what the temp is under load. My CPU temps are around 29-30 and under load they go to 60-65 degrees. Depending on the bench I run it at 3750mhz in 06', 3825 in 05', and 3900mhz in 01'. That is the max clock my processor is stable at in those benches. I have a Zalman 9500, with the Intel HSF my chip would idle @32-35 but under a load at 3200mhz it would go well past 70 degrees and shut the system down. All those temps are with case temps around 25 degrees.

 

twoeyes

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Sep 21, 2005

• Feb 21, 2006

• #19

Not sure what your cooling is like, is it copper or aluminum? My XFX card has a copper HS over the core then the stock bar over the ram chips, XFX is stock at 485/1100 so you should be safe around there.