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[EN] NVIDIA's dual-GPU GeForce GTX 590 emerges, can't slay the Radeon HD 6990 titan - Page 34

post #331 of 458
Quote:
Originally Posted by _Carnage_ View Post
Yes, you can.
Quote:
Originally Posted by Riou View Post
You are incorrect. AMD cards allow tri-fire in that config.
dont feed the troll guys
post #332 of 458
Quote:
Originally Posted by BizzareRide View Post
6990:
-5% faster
Depends on the reviews really.




I dunno. Mixed feelings. Waiting for some good solid OCN reviews.
post #333 of 458
Quote:
Originally Posted by _Carnage_ View Post
I'm counting cards, two versus two at the same price range. Sure, one's a dual-GPU. It'd be a awesome if Nvidia allowed this with the 590 and a 580/570, though.
You did indicate you care about performance/price so # of cards really shouldnt even matter.

I do agree that it would be awesome if you can trisli the 580 with 590.
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post #334 of 458
Trifire's pretty straightforward, to be honest. And I know how to handle AMD's drivers, I've unfortunately got experience with this, haha.

There's a review showing the 6990 + 6970 owning everything, including the 580 SLI by a pretty nice margin and for around the same price range. And yes, 3X 6970's would be faster than the 6990 + 6970 combo, but I don't really want to have more than two cards, so yeah, it's a no-brainer.

I'd instantly get the 590 and a 580/570 if they allowed for SLI this way. =(
post #335 of 458
Quote:
Originally Posted by saulin View Post
I agree, people are just freaking out over nothing. Anyone that used newer drivers and overvoltaged the card did not have the issue. More cooling = stability

Reviewers did have to set the fan speed on the 6990 to 100% to get 1Ghz stable
Techpowerup used 267.71 which was approved by Nvidia to limit power:
http://www.techpowerup.com/forums/sh...&postcount=110

Quote:
Originally Posted by Riou View Post
You are incorrect. AMD cards allow tri-fire in that config.
Ah, cool. When did they allow that? Wish Nvidia did.

Quote:
Originally Posted by nickbaldwin86 View Post
and even better if you really cared about your buck you would get 3x6950s and flash them to 6970s
I don't think you can do that anymore. I thought that was only the first batches which had the "shaved" corners on PCI-E power connectors. If you can still do it with newer batches, then definitely go for it.
Edited by PoopaScoopa - 3/24/11 at 5:15pm
post #336 of 458
Quote:
Originally Posted by _Carnage_ View Post
Trifire's pretty straightforward, to be honest. And I know how to handle AMD's drivers, I've unfortunately got experience with this, haha.

There's a review showing the 6990 + 6970 owning everything, including the 580 SLI by a pretty nice margin and for around the same price range. And yes, 3X 6970's would be faster than the 6990 + 6970 combo, but I don't really want to have more than two cards, so yeah, it's a no-brainer.

I'd instantly get the 590 and a 580/570 if they allowed for SLI this way. =(
So you have some personal issues or you would just get 3 cards... because you can support 3 cards with your current setup.

and again price per performance the 6990 SUCKS
post #337 of 458
Quote:
Originally Posted by nickbaldwin86 View Post
it is a known problem what you talking about...

VRMs are failing all over the internet... no just that video and not just to them
All running the same drivers and probably overvolting the card with more than what it can handle with the given cooling. Again newbs seem to be the one having the issue. Because really one of the first things you should be doing is grabbing the latest drivers out to prevent any issues like performance issues for example
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post #338 of 458
Oh my, I hope this doesn't effect all cards. This could cause issue for potential overclockers.

Quote:
Originally Posted by nickbaldwin86 View Post
So you have some personal issues or you would just get 3 cards... because you can support 3 cards with your current setup.
Yeah, I could. I just wish to keep the extra space.
post #339 of 458
Quote:
Originally Posted by nickbaldwin86 View Post
it is a known problem what you talking about...

VRMs are failing all over the internet... no just that video and not just to them
The beta drivers did not have OCP on which is why the cards were blowing. This is exactly the same as what happened in the 570 thread. Furthermore, it happened UNDER WATER too. The issue is the huge current through the 4+1 (same as the 590) VRMs. Better cooling like water helps, but does not cure the problem...

http://www.overclock.net/nvidia/9291...led-570-a.html

Now the official drivers have OCP enabled, but people are already reporting throttling at clocks lower than the 580 (772Mhz). For example AnandTech was at 750 Mhz and they hit the limit...

Quote:
Unusually—and had we not run this multiple times we would not have believed it—our overclocked GTX 590 underperforms the EVGA GTX 590 with its mild factory overclock. This is one of the reasons we believe we’re blindly triggering OCP, as even if Battleforge were largely memory bandwidth limited our overclock still has a nearly 5% increase in memory bandwidth. The fact that scores are going down means something is amiss.
http://www.anandtech.com/show/4239/n...le-card-king/6

If you read a few pages back some OCN members are also reporting hitting the wall. As I see it, if you want to go water then go the 6990 -- AMDs power limit can be raised to 540W (20% more than BIOS 1 stock) whereas Nvidia locks their limit at 450W. Plus the noise victory for Nvidia is negated under water.

tl;dr... OCP off (beta drivers)= explosion even under water (see 570 thread) & OCP on (official drivers)= performance wall before 580SLI clocks

EDIT: It seems like they will even blow with the official 267.71 drivers... what is going on here???
Edited by JCPUser - 3/24/11 at 5:23pm
post #340 of 458
Quote:
Originally Posted by PoopaScoopa View Post
Ah, cool. When did they allow that? Wish Nvidia did.
Since the 4000 series.

I.e. (4870x2 + 4870, 4870x2 + 4890, 5970 + 5870, 5970 + 5850, now 6990 + 6970, and likely 6990 + 6950).
Edited by Riou - 3/24/11 at 5:21pm
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Overclock.net › Forums › Industry News › Hardware News › [EN] NVIDIA's dual-GPU GeForce GTX 590 emerges, can't slay the Radeon HD 6990 titan