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5970 CrossfireX or 580 GTX SLI

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November 12, 2010 1:53:51 AM

Hello folks,

I just splurged on a Dell U3011 monitor which has a 2560x1600 native resolution, and my current 512MB 4870's in CrossfireX just isn't cutting it for me anymore. I was wondering if you had a choice between a pair of Nvidia 580 GTXs in SLI or a pair of Radeon 5970s (2Gb model) in CrossfireX mode, which one you would choose and why?
November 12, 2010 3:04:45 AM

i suggest go with the 580 sli cause it will be cheaper and will be more than enough to run any game even with a 2560x1600 res. although the 5970 xfire will be faster u wont see the extra performance as u most probably will have a cpu bottleneck
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November 12, 2010 3:50:22 AM

lol im from canada the prices are higher for everything here... the cheapest 5970 is $635
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November 12, 2010 4:31:58 AM

I'm with yes on waiting for the 69xx series. That being said, I had 3 5870s, and now have 3 580s, and its a huge difference.. I was getting like 5% going from 2-3 5870s with my PII 965. Now I have a 980x, so obviously, its not bottlenecked as bad, but going to 4 is a LOT of overhead. What processor are you using?
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November 12, 2010 11:30:47 AM

microterf said:
I'm with yes on waiting for the 69xx series. That being said, I had 3 5870s, and now have 3 580s, and its a huge difference.. I was getting like 5% going from 2-3 5870s with my PII 965. Now I have a 980x, so obviously, its not bottlenecked as bad, but going to 4 is a LOT of overhead. What processor are you using?


I'm currently using an i7 930 OC'd to ~3.67Ghz.
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a b U Graphics card
November 12, 2010 11:55:32 AM

Even at the high resolution that Dell monitor is, two 2GB 5970's in quad-fire is overkill. Personally, i'd save yourself a bit of money and get two GTX 580's in SLI, they will provide ample graphics power for your monitor. Just make sure your PSU can cope.
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a b U Graphics card
November 12, 2010 12:42:40 PM

knotes said:
lol im from canada the prices are higher for everything here... the cheapest 5970 is $635

Im from Canada to our dollar is 1:1 with the USD yet... we have to pay hundreds more.. it really does suck that we get gouged like that... :(  makes me sad almost daily

p.s. at that price you TOTALLY need to do the 5970's... everyone is saying it's overkill.. but... it's obviously more future-proof :)  and even if the change is only 70 fps to 80 fps which is literally unnoticeable.. which would you prefer :) ?
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November 12, 2010 2:06:12 PM

http://www.nvnews.net/vbulletin/showthread.php?t=150347

Check this out. Couldn't find a 580 one yet. If they are the same price where your from, is say if you're not going to upgrade to 3 580s ever, get the 5970s. however if it costs more, get the the 580 if you are set on buying now, but my #1 suggestion would be wait for the 6970s
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a b U Graphics card
November 12, 2010 2:11:58 PM

microterf said:
http://www.nvnews.net/vbulletin/showthread.php?t=150347

Check this out. Couldn't find a 580 one yet. If they are the same price where your from, is say if you're not going to upgrade to 3 580s ever, get the 5970s. however if it costs more, get the the 580 if you are set on buying now, but my #1 suggestion would be wait for the 6970s

edit: 6990
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a b U Graphics card
November 12, 2010 2:19:25 PM

Have patience and wait for the HD69xx series and then see the benchies and decide you need HD69xx CF or GTX580 SLI.
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a c 592 U Graphics card
November 12, 2010 5:44:50 PM

Performance wise, both configurations will give stupendous frame rates. I have heard a lot about microstuttering with the 5970 in Crossfire. In fact, some of the recent reviews were unable to include 5970 Crossfire numbers due to stuttering.

What you want is stability, there is no question that Nvidia cards in SLI are more stable than AMD in Crossfire. I wouldn't even wait for the delayed 6900 series....

"So over the years Multi-GPU support has improved quite a bit, AMD still isn't up-to snuff at the level of NVIDIA though, multi-GPU supports still literally and directly remains the Achilles heel of ATI's Catalyst drivers. For years now we have been requesting user-based multi-GPU profiles. See when a new game comes out, multi-GPU support will not be supported by the Catalyst driver. ATI will always need to update this through drivers or downloadable profiles. What ATI needs to do is to allow the end user to make custom profiles per game. A small tip, renaming your game-executable towards a game title that is supported can, not always but often, help out.
http://www.guru3d.com/article/radeon-hd-6850-6870-cross...

On the other hand, for the GTX580 in SLI:
"We have not seen any driver issues, we did not run into any weird stuff and neither did we had to configure anything. Everything worked straight out of the box with near perfect scaling. As such if you are interested in marvelous game performance and are gaming with an unlimited budget, then this might be your route to follow."
"Performance wise, not a lot of negatives can be said about the GeForce GTX 580 setup in SLI. In previous articles we have shown you guys already that the performance scaling of two GPUs is something the GTX 400 and thus now 500 series as well, is really good at."
http://www.guru3d.com/article/geforce-gtx-580-sli-revie...
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November 12, 2010 6:36:12 PM

17seconds said:
Performance wise, both configurations will give stupendous frame rates. I have heard a lot about microstuttering with the 5970 in Crossfire. In fact, some of the recent reviews were unable to include 5970 Crossfire numbers due to stuttering.

What you want is stability, there is no question that Nvidia cards in SLI are more stable than AMD in Crossfire. I wouldn't even wait for the delayed 6900 series....

"So over the years Multi-GPU support has improved quite a bit, AMD still isn't up-to snuff at the level of NVIDIA though, multi-GPU supports still literally and directly remains the Achilles heel of ATI's Catalyst drivers. For years now we have been requesting user-based multi-GPU profiles. See when a new game comes out, multi-GPU support will not be supported by the Catalyst driver. ATI will always need to update this through drivers or downloadable profiles. What ATI needs to do is to allow the end user to make custom profiles per game. A small tip, renaming your game-executable towards a game title that is supported can, not always but often, help out.
http://www.guru3d.com/article/radeon-hd-6850-6870-cross...

On the other hand, for the GTX580 in SLI:
"We have not seen any driver issues, we did not run into any weird stuff and neither did we had to configure anything. Everything worked straight out of the box with near perfect scaling. As such if you are interested in marvelous game performance and are gaming with an unlimited budget, then this might be your route to follow."
"Performance wise, not a lot of negatives can be said about the GeForce GTX 580 setup in SLI. In previous articles we have shown you guys already that the performance scaling of two GPUs is something the GTX 400 and thus now 500 series as well, is really good at."
http://www.guru3d.com/article/geforce-gtx-580-sli-revie...




nvidia fan boy
both configs not so stable..
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a c 216 U Graphics card
November 12, 2010 6:42:21 PM

I do believe for that resolution, you'd want 5970 4GB, not 2GB. When they denote 2GB, it's actually 1GB per GPU on the card. At 2560x1600, 1GB per GPU is not enough much of the time.

You'll want the 4GB version.

Also, the 5970 is best used as a stand alone card. If you want to use 2, you start having bad scaling issues, as quad-fire is not great.

I'd definately go with 2 580's over 2 5970's. It'll scale better, much better.
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November 12, 2010 7:07:02 PM

knotes said:
lol im from canada the prices are higher for everything here... the cheapest 5970 is $635


Try living in the UK,the 5970 is Ā£550 which works out to roughly $896 "Canadian",now thats a rip off lol.
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a c 592 U Graphics card
November 12, 2010 8:31:04 PM

tpitcher said:
Hello folks,

I just splurged on a Dell U3011 monitor which has a 2560x1600 native resolution, and my current 512MB 4870's in CrossfireX just isn't cutting it for me anymore. I was wondering if you had a choice between a pair of Nvidia 580 GTXs in SLI or a pair of Radeon 5970s (2Gb model) in CrossfireX mode, which one you would choose and why?

I forgot to ask if your motherboard supports SLI. Pretty much any motherboard with two PCIe slots will support Crossfire, but only SLI-certified motherboards will support SLI.
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November 12, 2010 11:02:15 PM




whatever.. 6990 will rip off 580
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November 12, 2010 11:29:45 PM

17seconds said:
I forgot to ask if your motherboard supports SLI. Pretty much any motherboard with two PCIe slots will support Crossfire, but only SLI-certified motherboards will support SLI.


It's an Asus X58 board that can do both SLI and CrossfireX. I only have 2 PCI-E slots though... so not looking for a 3-way setup.
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a b U Graphics card
November 12, 2010 11:32:35 PM

_orbital_ said:
whatever.. 6990 will rip off 580

Yeah , whatever. A video card that does not exist, you have a expert opinion on ? NOT
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November 13, 2010 11:57:54 AM

notty22 said:
Yeah , whatever. A video card that does not exist, you have a expert opinion on ? NOT



ok ok why do you think they delay that card because in my opinion they working hard so card can easily beat 580
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a b U Graphics card
November 13, 2010 12:08:29 PM

im not sure why people are saying that the gtx 580 sli will be cheaper, the cheapest gtx 580 on newegg is $559.99 whereas the cheapest HD5970 is $499.99.
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a c 216 U Graphics card
November 13, 2010 2:30:15 PM

infernox_01 said:
im not sure why people are saying that the gtx 580 sli will be cheaper, the cheapest gtx 580 on newegg is $559.99 whereas the cheapest HD5970 is $499.99.


Keep in mind, if he goes down the dual 5970's route with such a resolution, he should be getting the 4gb version or he'll run into frame buffer issues and have to turn down the settings.
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a c 592 U Graphics card
November 13, 2010 2:41:51 PM

infernox_01 said:
im not sure why people are saying that the gtx 580 sli will be cheaper, the cheapest gtx 580 on newegg is $559.99 whereas the cheapest HD5970 is $499.99.

You are missing the discount code that brings the cost down by $50.
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a c 144 U Graphics card
November 13, 2010 2:42:46 PM

_orbital_ said:
whatever.. 6990 will rip off 580


_orbital_ said:
ok ok why do you think they delay that card because in my opinion they working hard so card can easily beat 580


you're saying that without any actual backups or proves which makes you into ATI fanboy instead. about 69xx going to beat 580 easily, i'm not going to jump for such conclusion until i can see actual review and benchmark.
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November 13, 2010 2:49:09 PM

To the op, how do you like the u3011? I'm thinking bout getting 2 to go along with my 3008wfp which I love
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November 14, 2010 7:15:29 PM

I love it. I was originally thinking about getting 3 decent 24" monitors for a 3-way setup, but my desk doesn't have enough room for that. The single 30" display is perfect since it fits right under the hutch. I came from using the HP 25.5" monitor with that super glossy finish so the U3011 was a nice upgrade for me.

Thank you for all the replies. I've decided to tough it out for a few weeks and see how the upcoming Radeon cards are performing.
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November 14, 2010 7:15:56 PM

Best answer selected by tpitcher.
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a c 271 U Graphics card
November 15, 2010 3:35:42 AM

This topic has been closed by Mousemonkey
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