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590 in sli question/ pcie 2.0 bandwith limit??..... - Page 2

post #11 of 15
Quote:
Originally Posted by Methos07 View Post
isn't 3.0 coming out this year? :X
Probably, but just like 2.0.. it probably won't offer any gains until a year later (AKA NVIDIA 7XX or even 8XX cards).

But we're talking the future here, no one really knows.
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The Leviathan
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post #12 of 15
Quote:
Originally Posted by Murlocke View Post
I personally think they are a waste in SLI, on any setup. If both slots run in PCI-E 2.0 x16, it will be fine. If they run in PCI-E 2.0 x8, you will likely have a bottleneck.
Interesting subject.

Since my ''crippled'' P67 mobo can keep up with with 580 Quad-SLI GPU scores on X58 mobo, I think people are putting too much emphasis on the PCIe lanes speed debate.
    
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post #13 of 15
Not sure re: how significant the negative impact of running this 8x/8x config you speak of would be, but regardless, personally I think quad-SLI 590's is a very poor setup choice.

You basically are setting up a scenario where you have 4 GTX580 cores ... and the effective vram capacity of only one GTX580. This is just way too much GPU power to pair with only 1.5GB of vram.

For a similar price, one could set up tri-SLI with GTX580 3GB cards, and IMHO this is a FAR superior option. Maybe not if your only goal is to pull down the highest bench scores in 3dMark, but as far as a gaming rig goes ... I'd WAY rather have 3 x 580 3GB.
    
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post #14 of 15
Quote:
Originally Posted by brettjv View Post
For a similar price, one could set up tri-SLI with GTX580 3GB cards, and IMHO this is a FAR superior option. Maybe not if your only goal is to pull down the highest bench scores in 3dMark, but as far as a gaming rig goes ... I'd WAY rather have 3 x 580 3GB.
Or for a bit less $ then 580 Tri-SLI, Quad-Fire 6990+6970+6970 is another good choice, and faster then 580 Tri-SLI. And probably that a Tri-Fire 6990+6970 set=up would also be enough for alot less $ then Tri-SLI.
    
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post #15 of 15
Quote:
Originally Posted by Levesque View Post
Interesting subject.

Since my ''crippled'' P67 mobo can keep up with with 580 Quad-SLI GPU scores on X58 mobo, I think people are putting too much emphasis on the PCIe lanes speed debate.
According to Metro thread your quadfire can barely keep up with 3 way sli 580
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