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Old 07-16-04, 10:06 PM   #13
garikfox
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Default Re: Geforce 6800NU overclocking

One problem I have NOW I will POST here, cuz I like the Colors at this site , LoL.


Ok, What is the best tuner for 62.11 RIVATUNER does NOT wrk...

Coolbits2: i think is NOT comp. with the 62.xx drivers....
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Old 07-16-04, 10:20 PM   #14
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Default Re: Geforce 6800NU overclocking

I didn't get huge increases in actual gaming performance OCing my 6800NU, but I'm pretty happy with it's performance at stock speeds anyway:

UT2003 Holy Sh*t settings (all highest), 4X 8X, sound on, nVidia on "Quality":

325/700MHz
12X9
Flyby 126fps Botmatch 68fps
16X12
Flyby 68fps Botmatch 43fps

390/832MHz

12X9
Flyby 158fps Botmatch 74fps
16X12
Flyby 82fps Botmatch 49fps

To me, I don't know if it's worth the 20% OC to get 10% higher botmatch performance? I don't think OCing this card is going to get you above it's 12X10 optimum performance threshold, and I don't think you'd notice the difference at 12X10.

That being said, I'm most impressed with this thing's out of the box performance at the $300 price point. A very nice performance increase over the 5800U/9800P I spent the first half of the year with.
When you throw in the gains I saw with SM3, the 6800NU is just a great bargain.
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Old 07-16-04, 10:24 PM   #15
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Default Re: Geforce 6800NU overclocking

Quote:
Originally Posted by garikfox
Umm guyz thats STOCK but I might have a better CPU/Setup then u may add almost 600points to the mix no ?

I was aware of that. You have a64 system and I have an Athlon XP system.
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Old 07-17-04, 12:39 AM   #16
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Default Re: Geforce 6800NU overclocking

I got this score with 350/780. Driver 60.58(come with the evga cd)
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Old 07-17-04, 10:06 PM   #17
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Default Re: Geforce 6800NU overclocking

Pretty good flyer. The 350/775 and 400/850 speeds seem to be the best-performing overclocks, as far as I can tell. Any of you guys know how to record Far Cry demos so I can see if this 3DMark boost translates into real-world gaming?

Last edited by BYUNews; 07-18-04 at 01:24 PM.
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Old 07-18-04, 12:11 AM   #18
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Default Re: Geforce 6800NU overclocking

Well, I used "benchemall" to check if there was a big real-world leap in speed between stock and 400/850. Here's what I found:

Far Cry
Using Max settings.
Map: Fort Demo: BenchemallDefaultDemo

1024x768
Stock Average FPS: 36.41
Overclocked Average FPS: 37.04

1280x1024
Stock Average FPS: 34.34
Overclocked Average FPS: 35.91

1600x1200
Stock Average FPS: 24.23
Overclocked Average FPS: 26.16

Unreal Tournament 2004
Max details settings

1024x768
Stock Average FPS: 98.39
Overclocked Average FPS: 97.61

1280x1024
Stock Average FPS: 100.86
Overclocked Average FPS: 100.21

1600x1024
Stock Average FPS: 96.19
Overclocked Average FPS: 95.62

The results speak for themselves - the overclocking really doesn't do anything. At best, we see an increase of 2 or 3 FPS in Far Cry, but at unplayable settings. What do you guys think? For now, it's back to stock for me, until I see a compelling reason to overclock this thing.
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Old 07-18-04, 12:29 AM   #19
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Default Re: Geforce 6800NU overclocking

BYUNews, I dont mean to say I dont trust your results. But I can definately speak for UT2004 showing signifigant gains from OCing. Hmm hang on I'll do some stock scores first


Quote:
Originally Posted by BYUNews
Carnivore: I don't think that's possible. Nvidia made a point of not pulling a "Radeon 9500", and made the 6800NU a different core than the other 6800s. I don't think the pipelines are physically there.
Actually according to ixbt labs the 4 pipes can still be enabled, But they were broken on their 6800NU.
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Old 07-18-04, 01:12 AM   #20
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Default Re: Geforce 6800NU overclocking

Some of you guys are getting X800Pro scores(Default to light OC) Goodshow.
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Old 07-18-04, 01:19 AM   #21
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Default Re: Geforce 6800NU overclocking

Well. My findings disagree with yours a bit NY, But not a great deal.

I'm surprised how little effect the 200 mhz extra bandwith actually had on the performance of this card, Which leads me to believe they are not as bandwith limited as I would have originally guessed. (At least at 1024x768, But should scale accordingly at least at 1280x1024)

Maybe thats why Nvidia outfitted them with cheaper memory?
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Old 07-18-04, 10:54 AM   #22
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Default Re: Geforce 6800NU overclocking

Chris: It looks like memory bandwidth really isn't a problem until AA and AF come on. Sometime today I'll bench UT2004 and Far Cry with AA and AF on.
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Old 07-18-04, 01:59 PM   #23
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Default Re: Geforce 6800NU overclocking

Ok, here it is. I benched with 2x/4x and 4x/8x, both OC'd (400/850) and stock. Watching BenchEmAll run through Far Cry, I don't think the AA worked, so those results probably only reflect the performance hit of AF.

Results: (http://byunews.tripod.com/6800.html)

Even with AA and AF on, there isnt' a huge benefit to match the huge overclock of 400/850. The only remotely signifigant gain was 10FPS at 4x/8x and 1600*1200 in UT2004. I'm guessing this is because, at any less demanding setting, my computer has some hardcore CPU bottlenecking going on - not that these framerates are anything to complain about, though!
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Old 07-18-04, 02:18 PM   #24
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Default Re: Geforce 6800NU overclocking

How is the NU guys. I'm thinking of buying one. Which brand do you recommend ? Will it run Doom 3 like butter on 1024X768 w/ no AA or AF ?
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