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GTX 670 4Gb or ATI 7970 for 5760x1200 3-monitor (eyefinity)

post #1 of 26
Thread Starter 
I have three points to discuss:

  1. Its time to upgrade and I'm looking to push a 5760x1200 resolution. With the recent price drop on the 7970, I was considering just grabbing another ATI card. I saw the GTX 670 4Gb and thought that might be a better choice. But there are not enough 3-monitor reviews to make an educated purcahsing decision.
  2. From the research I've done, it seems ATI is still having driver issues (mostly in multi GPU setups), but is great for raw power. The GTX 600 seems to offer a better image quality, but I don't know exactly how much better it is over ATI as I haven't actually seen the image quality first hand.
  3. Here is the only review on 3-monitor setups I've seen (translated from German via Google Translator). it shows virtually no difference from the 4Gb vs 2Gb GTX 680, so I might not even need to go with the 4Gb card.
http://translate.google.com/translate?sl=auto&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwww.hardwareluxx.de%2Findex.php%2Fartikel%2Fhardware%2Fgrafikkarten%2F22235-test-palit-geforce-gtx-680-4-gb-jetstream.html%3Fstart%3D15&act=url

What I am asking OCN members is for advice on getting a GTX 670/680 vs the ATI 7970 for 3-monitor setup. I also wanted to know iff there is a benefit to going with 4Gb vs 2Gb with the GTX 600 series for 3-monitor setup, even if it is just an educated guess. And last, if you have an opinion on the improved image quality with the GTX 600 series over ATI's offerings, please post.
Edited by ericeod - 5/13/12 at 10:31pm
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post #2 of 26
At that resolution I wouldn't use a card with anything less than 3GB of VRAM, and the site that showed little difference between 2GB and 4GB GTX 680, I think is a little dubious. At 2560x1600 there wouldn't be much of a difference, but beyond that I would expect a decent enough difference in terms of performance between the two.

Truthfully the GTX 670 4GB will do it just fine, and the AMD 7970 3GB would do it as well, the 670 being the better of the two cards. I would maybe watch the price on the 7970 over the next few weeks and see if they come down, if they do buy it. If not then just get the 670, it will take care of you.
    
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post #3 of 26
Thread Starter 
Quote:
Originally Posted by PostalTwinkie View Post

At that resolution I wouldn't use a card with anything less than 3GB of VRAM, and the site that showed little difference between 2GB and 4GB GTX 680, I think is a little dubious. At 2560x1600 there wouldn't be much of a difference, but beyond that I would expect a decent enough difference in terms of performance between the two.
Truthfully the GTX 670 4GB will do it just fine, and the AMD 7970 3GB would do it as well, the 670 being the better of the two cards. I would maybe watch the price on the 7970 over the next few weeks and see if they come down, if they do buy it. If not then just get the 670, it will take care of you.

Thanks for the advice. I was looking today at prices; the Sapphire 7970 (with a 950MHz and 1000MHz core clock using bios selector) is $449 with free shipping while the eVGA GTX 670 4Gb is $489.Of course the GTX 670 4Gb is not available for delivery until approx. June 22nd.
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post #4 of 26
Quote:
Originally Posted by ericeod View Post

Thanks for the advice. I was looking today at prices; the Sapphire 7970 (with a 950MHz and 1000MHz core clock using bios selector) is $449 with free shipping while the eVGA GTX 670 4Gb is $489.Of course the GTX 670 4Gb is not available for delivery until approx. June 22nd.

The rumor mill is saying that AMD will be making a price drop on the 7970 within a few weeks to respond to the 670 being so close in performance. That price drop could be as much as $80 USD, which if that was the case it would just be silly, though much needed. The reality of it for AMD is that the GTX 670 performs as well as the 7970 and is cheaper, the 2GB model at least. So AMD is going to have to do something to respond, even more so now that TSMC announced Nvidia as priority for production.
    
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post #5 of 26
Thread Starter 
I've played the waiting game this long, so I can wait it out a little longer. Thanks again for your advice and comments.
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post #6 of 26
Quote:
Originally Posted by ericeod View Post

I've played the waiting game this long, so I can wait it out a little longer. Thanks again for your advice and comments.

Well, track yourself down a GTX 670 and get your game on. You can't be wrong with that purchase in your situation.
    
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post #7 of 26
Quote:
Originally Posted by ericeod View Post

I've played the waiting game this long, so I can wait it out a little longer. Thanks again for your advice and comments.

Are you looking at single GPU or multi GPU ? Would you be OCing ? I don't expect a HD 7970 price cut. In fact what I expect is AMD to up the clocks and get aggressive. they can afford to with improved yields and process improvements.

http://www.techpowerup.com/165559/AMD-Readies-Radeon-HD-7970-GHz-Edition.html

Radeon HD 7970 Ghz edition (1050 Mhz) - GTX 680
Radeon HD 7970 Ghz edition OC (upto 1200 Mhz) - GTX 680 OC
Radeon HD 7950 (900 Mhz ) - GTX 670
Radeon HD 7950 OC (1000 Mhz) - GTX 670 OC

But no harm in waiting for a month.



Also the Sapphire HD 7970 OC Dual X is a great card

http://www.hardocp.com/article/2012/04/10/sapphire_hd_7970_oc_edition_video_card_review/10

"The NVIDIA GeForce GTX 680 had a hand up in performance on the stock Sapphire HD 7970 in every game. The Overclocked Sapphire HD 7970 OC Edition crushed the GeForce GTX 680 though in every game providing the best performance and gameplay experience. "

I find it funny atmost when people compare a GTX 670 with HD 7970. Its a mismatch. even more so at ultra high res. At those res memory is only one factor. bandwidth is another smile.gif

http://techreport.com/articles.x/22922/5

http://www.hardocp.com/article/2012/03/22/nvidia_kepler_gpu_geforce_gtx_680_video_card_review/10

http://www.hardwareheaven.com/reviews/1455/pg6/asus-geforce-gtx-680-oc-vs-r7970-oc-vs-gtx-580-oc-performance-review-battlefield-3.html

http://www.legitreviews.com/article/1904/4/

and lastly a user feedback

http://hardforum.com/showpost.php?p=1038718750&postcount=10
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post #8 of 26
Thread Starter 
I am looking at a single GPU because dual GPU cards are too expensive for me now. I do like the Sapphire 7970 OC, but am concerned with the capacitor squeal. I had a GTX 295 that had cap squeal when running bench tests and I didn't like that. The review mentioned it as did some of the newegg reviews. So it doesn't sound (no pun intended) like a rare occurance.
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post #9 of 26
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post #10 of 26
Thread Starter 
Quote:
Originally Posted by amd655 View Post

GTX 680 or GTX 480 SLi...
GTX 480 SLI>>GTX680
However, heat may be an issue if you do not spread the cards enough.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130759
http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&N=100006662&isNodeId=1&Description=gtx+680&x=0&y=0

Thanks for the recomendations, but I am looking to go with a single card setup. My 5760x1200 resloution is the driving factor for my purcahse as I want to ensure a single card can handle this resolution. I know my system specs would lead anyone to think I am looking for a 2 or 3 card setup, but I'm just looking for a single card for now.
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