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[EN] NVIDIA's dual-GPU GeForce GTX 590 emerges, can't slay the Radeon HD 6990 titan - Page 35

post #341 of 458
Quote:
Originally Posted by PanicProne View Post
AMD has an absolute winner in their hands and the undisputed performance king for the second time in a row.

nVidia never released something to directly compete with the single card HD 5970.

And now, nVidia's dual GPU can't beat HD 6990.


I say: Well done AMD.
says ati fanboy #271
Edited by grizzlyblunting - 3/24/11 at 5:33pm
    
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post #342 of 458
Quote:
Originally Posted by JCPUser View Post
through the 4+1 (same as the 590) VRMs.
What are the VRMs on the MSI 580 Lightning? 6+2? Is 1.15V still the max for the Lightning?
Do you know on the 570 Twin Frozr II?


Quote:
Originally Posted by JCPUser View Post
6990[/U] -- AMDs power limit can be raised to 540W (20% more than BIOS 1 stock) whereas Nvidia locks their limit at 450W. P
The VRMs on the 6990 can handle 540W? That's nuts. What are their VRMs?
Edited by PoopaScoopa - 3/24/11 at 5:32pm
post #343 of 458
Poopa ... GTX580 Lightning has a 16 phase design

My guess is that a 8+2 phase design per gpu will appear on the GTX590 in the future
post #344 of 458
Quote:
Originally Posted by PoopaScoopa View Post
What are the VRMs on the MSI 580 Lightning? 6+2? Do you know on the MSi 570 Twin Frozr II?



The VRMs on the 6990 can handle 540W? That's nuts. What are their VRMs?
I am talking about reference here... maybe somebody will release a water cooled 590 with better VRMs -- but as it doesn't exist [yet?] I can't comment on it.

As for the the 6990 you can increase Powertune's limit by 20% from stock (450W in BIOS 1) in the catalyst control center... and I have yet to here one story of a 6990 blowing. So either nobody is raising the limit, which I doubt, or the 6990 has some robust VRMs.
Edited by JCPUser - 3/24/11 at 6:12pm
post #345 of 458
Quote:
Originally Posted by JCPUser View Post
I am talking about reference here... may somebody will release a water cooled 590 with better VRMs -- but as it doesn't exist [yet?] I can't comment on it.

As for the the 6990 you can increase Powertune's limit by 20% from stock (450W in BIOS 1) in the catalyst control center... and I have yet to here one story of a 6990 blowing. So either nobody is raising the limit, which I doubt, or the 6990 has some robust VRMs.
Because as soon as you go too high on the 6990 it seems to downclock. Also the 6990 is not a good overclocker by any means. Any reviewer that got it as high as 1ghz had to increase the fan speed to 100%
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post #346 of 458
Nvidia is acknowledging this problem:
Quote:
http://nvidia.custhelp.com/cgi-bin/n...p?p_faqid=2947
NVIDIA has worked with several watercooling companies to develop waterblocks for GTX 590, and these solutions will help provide additional margin for overclocking, but even in this case we recommend enthusiasts stay within 12.5-25mV of the default voltage in order to minimize risk
Quote:
Originally Posted by Pedros View Post
Poopa ... GTX580 Lightning has a 16 phase design

My guess is that a 8+2 phase design per gpu will appear on the GTX590 in the future
8+2 means 8 by 2 rows? (16?)

Quote:
Originally Posted by JCPUser View Post
I am talking about reference here... may somebody will release a water cooled 590 with better VRMs -- but as it doesn't exist [yet?] I can't comment on it.

As for the the 6990 you can increase Powertune's limit by 20% from stock (450W in BIOS 1) in the catalyst control center... and I have yet to here one story of a 6990 blowing. So either nobody is raising the limit, which I doubt, or the 6990 has some robust VRMs.
I was just curious what is was to compare with the 590/570. Why does the 6990 not suffer from over-volting with OCP but the 590's OCP doesn't save it from over-volting?
Edited by PoopaScoopa - 3/24/11 at 5:49pm
post #347 of 458
8 phases for gpu and 2 for memories

( kind of a mixed GTX580 Direct CU 2 ... in a GTX590 pcb eheheh )

I decided to wait some more time ... not getting GTX590 nor 6990 ...

I'll keep the 5850 running ... it lets me play BF2 and PES eheheheh ... gonna w8 for more on this "explosive" issue ... and see what's for the future...
Edited by Pedros - 3/24/11 at 5:50pm
post #348 of 458
Quote:
Originally Posted by Pedros View Post
So guys ... this is really awkward ...
We managed to clock the card to 770 ... but guess what ... it was worthless ... i mean... we got higher performance at 670Mhz than at 770Mhz ... i guess the drivers are just throttling down the card ...

@ 670 we got +36k ...

I mean we're getting less performance with the latest drivers than with the CD ones... :x
Anandtech covers it - OCP kicks in and you have no way to tell, unless you know the results should be different.

TPU also has this - where Peak power consumption is actualy higher than maximum.
post #349 of 458
Quote:
Originally Posted by Pedros View Post
8 phases for gpu and 2 for memories

( kind of a mixed GTX580 Direct CU 2 ... in a GTX590 pcb eheheh )

I decided to wait some more time ... not getting GTX590 nor 6990 ...

I'll keep the 5850 running ... it lets me play BF2 and PES eheheheh ... gonna w8 for more on this "explosive" issue ... and see what's for the future...
On the 590? Wow, why would it be so low? Guess the 580 Lightning's 16 Phase is overkill? Is the 6990 10+4?
Edited by PoopaScoopa - 3/24/11 at 5:58pm
post #350 of 458
Poopa, the Lightning is a version for extreme cooling action ... so these will handle huge amounts of voltage ...

And each Lightning will be able to do 1Ghz on air with more or less voltage..

Like i said, i know that a non-reference 590 is being developed with the use of 3 x 8pin power connectors and a optimized VRM design along with the cooling ...

So ... it's a matter of time until we know more about it ..
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