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Quad-SLI GTX 580 vs QuadFire 6990 ? - Page 2

post #11 of 14
Quote:
Originally Posted by ShtSh00ttr;13360101 
Great Link hadnt seen that one yet , thank you! + Rep. I had 2 x 5970's under water and the drivers made me want to harm puppies and kittens in Eyefinity mode.......... LOL But I was pondering if they got the drivers straightened out yet LOL

GTX 580s are strong no doubt, even in SLI, but when it comes to 3~ cards or more AMD scales a bit better. 4 cards though, both makers do really bad reaching 4 cards :\. Stick with 3 gtx 580s or 6990 and a 6970 / 3 6970s
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post #12 of 14
Quote:
Originally Posted by ShtSh00ttr View Post
I read that a few days ago. Was considering it , but when I already have 3 Hydro Copper 580's the difference would have to be spectacular.

All things considered since swapping the current 580's in favor of 69xx cards would be of little benefit in performance or finance LOL .........
Very true. With the current state of gaming I'd wait a bit before considering an upgrade. We'll just have to see how hard BF3 and Skyrim are to run
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post #13 of 14
Quote:
Originally Posted by ShtSh00ttr View Post
Anyone have any benchmarks directly comparing 4 x GTX 580 against 2 x HD6990 ?

Just curious how 4 GTX 580's @ 900Mhz+ compare at hi res (triple screen 5760x1200 or 5760 x 1050) with 6970's or 6990 at similar clocks.
For those high resolutions, the major weakness of the 580s is the lack of VRAM. 1.5gb is not enough. But 4 580 3Gb would be much better with those high-res and multiple screens set-ups.

But why 4X580 against 2X6990 only? You can also do 6990+6970+6970 or 4X6970, and those have no problems going up against 4X 580 1.5Gb, for almost 40% less $, and more VRAM.

My Quad-Fire set-up cost is 1325$ (witohut the waterblocks). 4X 580 1.5Gb is around 2000$. But the lack of VRAM on those 580 1.5Gb is a major problem if you're talking about 5760X1200. So the price of those 580 1.5Gb is ridiculous right now.

Nvidia and EVGA know this pretty well also. And the beating those 580 1.5Gb are getting in multiple screens set-up is the only reason why they are trying really hard to get those 580 3Gb out pretty fast.

They are not stupid. And they know putting 1.5Gb on those 580 was a pretty bad decision. So now they are trying really hard to fix that with EVGA.
    
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post #14 of 14
Thread Starter 
Quote:
Originally Posted by Levesque View Post
For those high resolutions, the major weakness of the 580s is the lack of VRAM. 1.5gb is not enough. But 4 580 3Gb would be much better with those high-res and multiple screens set-ups.

But why 4X580 against 2X6990 only? You can also do 6990+6970+6970 or 4X6970, and those have no problems going up against 4X 580 1.5Gb, for almost 40% less $, and more VRAM.

My Quad-Fire set-up cost is 1325$ (witohut the waterblocks). 4X 580 1.5Gb is around 2000$. But the lack of VRAM on those 580 1.5Gb is a major problem if you're talking about 5760X1200. So the price of those 580 1.5Gb is ridiculous right now.

Nvidia and EVGA know this pretty well also. And the beating those 580 1.5Gb are getting in multiple screens set-up is the only reason why they are trying really hard to get those 580 3Gb out pretty fast.

They are not stupid. And they know putting 1.5Gb on those 580 was a pretty bad decision. So now they are trying really hard to fix that with EVGA.

Anyone know if the GTX 580 Hydrocopper will be released on the 3GB higher density chips?

Primary reason for 2 x 6990's would be to reclaim a few pcie slots for Raid cards, sound card and dual gigabit nic . So rather then having 4x cards 2 would be a pretty attractive choice. And with the 590's low clocks and poping capacitors Im not too keen on that route and that left only the 6990's.

Up to 5760x1200 I haven't seen vram be a significant source of problem. Certainly over that its a huge issue. Do you have any reviews comparing 5760x1200 with 1.5GB cards vs 3GB cards at same settings?
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