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Gigabyte GTX 670 OC Version *HANDS ON* - Page 25

post #241 of 1506
Hi Martyr82 what is the The max TDP/board power limit of your card? reason im asking is i think the max on the 680 version of your card is only 111%.
Edited by Tachinardi - 5/6/12 at 7:13am
post #242 of 1506
The 670 is boosting further.
post #243 of 1506
Quote:
Originally Posted by joll View Post

He has a far far superior cooler on a factory OC card. All that is going on appears to be the magic of Nvidia's auto-clocking. Even with a slightly crippled card, if it is touching ~1200mhz or even less then the score seems legit to me.
Most logical explanation so far. Plus, with one less SMX cluster, less heat is produced, leaving even more headroom for Boost Clock.
Edited by Roman2K - 5/6/12 at 7:15am
    
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post #244 of 1506
Quote:
Originally Posted by Roman2K View Post

Most logical explanation so far.

People are manually OCing their cards and still having trouble beating this thing. Plus, depending on your setup, setting the fan max speed has never made my cards cross 70 which means it never hits that magical boundary where it auto-downclocks by a 20 (or something) to reduce temps. Worst case, lets get some non-reference 680s here to compare.
post #245 of 1506
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post #246 of 1506
Many AIBs will likely just take the 680 design and slap a GTX670 GF104 GPU on it (Like this WindForce model) for some of their models. The bill-of-materials will be higher, but they can release their "OC" versions and such on such a platform without need for redesign. I'm contemplating grabbing a GTX 670 since I have to RMA my GTX 680 (Bad fan bearing) tongue.gif
    
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post #247 of 1506
Quote:
Originally Posted by tx-jose View Post

here is a TFIII 680 OC

www.overclock.net/t/1249192/msi-gtx-680-twin-frozr-iii-bench-review-not-boring

That 3DMark GPU score seems low for how high his card is overclocked.

GPU score=11224 @ 1209/1274 Boost
xCkeN.jpg


I'm getting a higher GPU score @ 1156/1209 boost
5J2Q9.png

So it seems like there can be a lot of variation in 3DMark11 scores, even when comparing the same GPU.
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post #248 of 1506
Quote:
Originally Posted by Roman2K View Post

Most logical explanation so far. Plus, with one less SMX cluster, less heat is produced, leaving even more headroom for Boost Clock.

Probably everything would've been clear at the beginning had he posted a screen of the AB graphs from the 3dMark11 run, so the actual 'run-time' clocks could've been viewed. I just read this whole thing and was amazed nobody asked for that. Course OP was kinda MIA for a while there, and speculation ran rampant.

I *AM* wondering about this whole 'centered' vs. 'stretched' thing in 3dMark11 though. I've never noticed that option before (silly me) so I never touched it, I always just run centered (as is the default).. But if it makes a roughly 4% difference in scores, how come nobody ever talks about it?

I mean, I can set nV scaling options to center or stretch, but never noticed it to make a difference in perf, and certainly I'd expect that if it DID, that centered would be faster, not slower, than stretched, given that centered means 'no scaling' headscratch.gif
Edited by brettjv - 5/6/12 at 8:04am
    
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post #249 of 1506
Quote:
Originally Posted by brettjv View Post

Quote:
Originally Posted by Roman2K View Post

Most logical explanation so far. Plus, with one less SMX cluster, less heat is produced, leaving even more headroom for Boost Clock.

Probably everything would've been clear at the beginning had he posted a screen of the AB graphs from the 3dMark11 run, so the actual 'run-time' clocks could've been viewed. I just read this whole thing and was amazed nobody asked for that. Course OP was kinda MIA for a while there, and speculation ran rampant.

I *AM* wondering about this whole 'centered' vs. 'stretched' thing in 3dMark11 though. Is that an option only available in the paid version, cause I've never noticed it before. And if it makes a roughly 4% difference in scores, how come nobody ever talks about it?

I mean, I can set nV scaling options to center or stretch, but never noticed it to make a difference in perf, and certainly I'd expect that if it DID, that centered would be faster, not slower, than stretched, given that centered means 'no scaling' headscratch.gif

I have no idea why it makes a difference, but I literally did two back to back runs with the exact same settings, but with one run using centered and one using stretched. Using "stretched" gives a score several hundred points higher.

Btw, the "stretched" option is also available in the free version of 3DMark11, so you don't have to pay to use it.
Edited by 996gt2 - 5/6/12 at 8:08am
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post #250 of 1506
I downclocked my GTX 680 SC to stock clock speed and ran 3dmark11, I got P9431 / 9519 Graphics Score...
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