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post #431 of 1506
Gigabyte GTX 670 preorder for $412 USD! Ordering NOW.
http://www.shopblt.com/cgi-bin/shop/shop.cgi?action=enter&thispage=011004001505_BPF8397P.shtml&order_id=!ORDERID!
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post #432 of 1506
My best 3dmark11 run so far is in my sig. That was at 1225mhz on my 7970's. Looks like sli 670's beats me by about 600 points in gpu score. Weirdly though my best Heaven run at those settings is 108fps which is 6fps higher than the 670's. Regardless those are pretty ridiculous scores for Nvidia's mid-range card! I wish we could get a decent driver release with some improved performance out of AMD...
post #433 of 1506
Quote:
Originally Posted by rwchui View Post

Any GTX 680 SLI owners out there want to share and compare 3D Mark 11 scores with the OP's? rolleyes.gif

My highest GPU score for 680 SLI was 22140.

Very heavy offset though that resulted in my top card maxing around 1290 and the bottom around 1310-1320MHz.

Also managed to get 109.3 for Heaven as well running at the Top 30 settings (same as OP).
post #434 of 1506
Quote:
Originally Posted by Majin SSJ Eric View Post

My best 3dmark11 run so far is in my sig. That was at 1225mhz on my 7970's. Looks like sli 670's beats me by about 600 points in gpu score. Weirdly though my best Heaven run at those settings is 108fps which is 6fps higher than the 670's. Regardless those are pretty ridiculous scores for Nvidia's mid-range card! I wish we could get a decent driver release with some improved performance out of AMD...


Yeah the specs on paper would lead us to believe that these cards have not reached their potential due to bad drivers.
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post #435 of 1506
Well, I don't know. Although scores are close, they seem about right. 670 with one core unit disabled running at slightly faster speeds competes quite well. A little more 'well' than I thought it would, but still. The 670's price/performance ratio just decided to kick the 680s and 7970s in the pants buttkick.gif (non-ref anyways. 3 more days till official)
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post #436 of 1506
I really, really, REALLY did not want to believe that the GTX 680 was just a less-castrated GTX 670, and that Nvidia released it as such because the 7970 was underwhelming, and they didn't need to release anything better because of that.

BUT...if the performance of reference and non-reference 670s ends up beating 680 performance, stock vs stock and max oc vs max oc...I pretty much have no logical reason to explain how that could occur, unless the GTX 680 that we know really is just a less castrated 670, with 192 more shaders.

This would make sense because as mentioned above:

- In previous generations, going from flagship to the next card down meant a decrease in shaders, TMUs, ROPs and VRAM/memory bandwidth. This was true for the 580 down to the 570 and the 480 down to the 470, and even in the 200 series. Not with the 680 and 670 - the only thing different is the shader count, period.

- If the above is true, it means Kepler responds more to overall core clock speed than it does shader count. So while it has 192 less cores, if it is hitting 100+Mhz better than 680s on average...the 680s could very well be in trouble, even at their Max OC levels.

- It remains to be seen if only non-reference PCBs like the Gigabyte cards can pull off 1300-1350mhz+ OC speeds, or if the shorter reference PCBs can pull them off as well.

- Due to one less SM cluster, it's possible that the 670 core is just flat out able to OC better because it has more power available and its stability threshold is lower.

- I'm keeping my 690, but i'm gunning for a pair of these Gigabyte 670s as soon as they drop on May 10 or whatever. F5 F5 F5 F5 F5.

- If the 670 drops anywhere from the $380-420, it WILL become the "winner" card of this generation, provided the majority of cards can match/exceed normal 680 OC clocks. Period. It would be slapping the 680 and 7970 right in their faces due to price/performance (and the 690 as well, since 670 SLI should be about even if it's even with 680s in SLI. This remains to be seen though).

Did I miss anything? tongue.gif
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post #437 of 1506
It seems like the "cuda" cores have lost their value and are more on par with how AMD shaders are calculated. Because the 680 has 3 times the cuda cores as a 580 but is nowhere near 3 times "better". Maybe why the 670 is performing as well with a couple hundred shaders disabled. *shrug*
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post #438 of 1506
Quote:
Originally Posted by lightsout View Post

It been said multiple times. The 670 with max overclock is beating a lot of 680's with max overclock. THats not normal for any generation.

Quote:
Originally Posted by Smykster View Post

Exactly, I agree.

True, but the only reason this is happening is because the users don't have full control over the top clock and voltages like they normally do.

All one has to do is look at the OP's SLI run to see that different 670's have a different top clock ... in his case GPU 1 goes considerably higher (I'm guessing that one is his, the other is his buddies) than card 2. That top card can compare with (and perhaps beat) a 680 that isn't a 'good overclocker' (by that I mean the boost isn't automatically pushing it as high), but that bottom one would be significantly behind a 680 that OC's exceptionally well.

I've no doubt that if everyone had full control over voltages and clocks, the 680 would emerge as the consistently faster card at max, fully manual OC's. Just as is the case with 470 vs 480 or whatever comparable situation you can come up with. But it will be less different, as JC explains below thumb.gif
Quote:
Originally Posted by jcde7ago View Post

I really, really, REALLY did not want to believe that the GTX 680 was just a less-castrated GTX 670, and that Nvidia released it as such because the 7970 was underwhelming, and they didn't need to release anything better because of that.
BUT...if the performance of reference and non-reference 670s ends up beating 680 performance, stock vs stock and max oc vs max oc...I pretty much have no logical reason to explain how that could occur, unless the GTX 680 that we know really is just a less castrated 670, with 192 more shaders.
This would make sense because as mentioned above:
- In previous generations, going from flagship to the next card down meant a decrease in shaders, TMUs, ROPs and VRAM/memory bandwidth. This was true for the 580 down to the 570 and the 480 down to the 470, and even in the 200 series. Not with the 680 and 670 - the only thing different is the shader count, period.
- If the above is true, it means Kepler responds more to overall core clock speed than it does shader count. So while it has 192 less cores, if it is hitting 100+Mhz better than 680s on average...the 680s could very well be in trouble, even at their Max OC levels.
- It remains to be seen if only non-reference PCBs like the Gigabyte cards can pull off 1300-1350mhz+ OC speeds, or if the shorter reference PCBs can pull them off as well.
- Due to one less SM cluster, it's possible that the 670 core is just flat out able to OC better because it has more power available and its stability threshold is lower.
- I'm keeping my 690, but i'm gunning for a pair of these Gigabyte 670s as soon as they drop on May 10 or whatever. F5 F5 F5 F5 F5.
- If the 670 drops anywhere from the $380-420, it WILL become the "winner" card of this generation, provided the majority of cards can match/exceed normal 680 OC clocks. Period. It would be slapping the 680 and 7970 right in their faces due to price/performance (and the 690 as well, since 670 SLI should be about even if it's even with 680s in SLI. This remains to be seen though).
Did I miss anything? tongue.gif

I don't even understand people's point about this whole 'castration' thing and worrying about naming conventions ... the naming convention used is exactly like it's always been. "The 680 = 670ti"? ... what the hell are these people talking about? headscratch.gif

But I will say your first point is an excellent one. This 670 is significantly less hobbled than the last few generations 2nd tier card. It's much more comparable to the AMD scenario recently, i.e. 6950 vs 6970, 5850 vs 5870 ... the only difference between these was a shader cluster, and everything else remained the same. At the same clocks, there was literally only like 3 or 4% difference in perf between the 5850 and 5870.

However not every test is going to behave identical to the two we're testing now (Heaven and Eleven) ... it may be that some other tests are more strongly affected by the shader count difference ... and some may be affected even less.

EDIT: I haven't been paying that close of attention to Kepler ... do we even know for sure how the top boost speed is determined for each individual card? Like, what all comes into play? What's the 'algorithm', as it were?
Edited by brettjv - 5/7/12 at 8:59am
    
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post #439 of 1506
is the gtx 670 going to have serious production issues like the 680s?

it better be ins tock.
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post #440 of 1506
Folks, you can explain the situation away however you like, fact is the 670 is a beast and the 680 isn't.
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