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CPU bottleneck Quad-sli GTX590's - Page 2

post #11 of 60
either get 4 monitors or 2 120hz monitors NAOJSFASKF
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post #12 of 60
Quote:
Originally Posted by LordInfamous666 View Post
Hey guys,

Simply, is my i7 920 @ 4.2ghz bottlenecking my 2x GTX 590's in quad-fire?
The [H] found that an i7 920@3.8Ghz was severely bottlenecking tri-sli 580's, so I guess you're even worse off. They gained about 20-25% performance by switching to an OC'd 2600k.

Also, its Quad-SLI. Quad-fire is for AMD cards
post #13 of 60
Thread Starter 
i know people say its overkill, but i HATE dipping below 60fps, and yes even with 2x 590 overclock in quadsli, ive had dips in crysis 2 and 1 ... its a lot of firepower for my res, but it will keep me at 60+ fps in future games for longer...

i just ordered a i7 990x off newegg.. ill let u guys know the difference when i get it
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post #14 of 60
Quote:
Originally Posted by LordInfamous666 View Post
i know people say its overkill, but i HATE dipping below 60fps, and yes even with 2x 590 overclock in quadsli, ive had dips in crysis 2 and 1 ... its a lot of firepower for my res, but it will keep me at 60+ fps in future games for longer...

i just ordered a i7 990x off newegg.. ill let u guys know the difference when i get it
i find it hard to believe that even on ur setup (and a newer cpu than ur 920)u would dip below 60fps, even on 2560x1600 or higher.. your rig is a beast, unleash it!!
post #15 of 60
Did you perform the test first? Or did you just want an excuse to upgrade lol

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post #16 of 60
Thread Starter 
Quote:
Originally Posted by TheReciever View Post
Did you perform the test first? Or did you just want an excuse to upgrade lol

sent from my EVO 3D
I wanted an excuse.

Noo.. I ran BF3 (i know its beta) and bfbc2 and crysis 2.. bf3 and bfbc2 were like 90% cpu and crysis was maxed cpu.. so theres one bottleneck right there.

crysis 1 also was a cpu bottleneck.. once I get my 990x next week i'll probably be selling my i7 920 if anyone is interested. it is 4.2 ghz worthy
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post #17 of 60
Why gimp on the CPU like that. I LMAO
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post #18 of 60
Quote:
Originally Posted by Scorpion49 View Post
The [H] found that an i7 920@3.8Ghz was severely bottlenecking tri-sli 580's, so I guess you're even worse off. They gained about 20-25% performance by switching to an OC'd 2600k.

Also, its Quad-SLI. Quad-fire is for AMD cards
This!

I've gone back and forth with this myself as I am in somewhat of a similar situation as you. In my findings, what the current Sandy Bridge platform lacks in bandwidth, it more than makes up for in overall raw CPU power - especially the higher the overclock. This is the article that Scorpion is referring to:

http://www.hardocp.com/article/2011/...trifire_redux/

It's quite enlightening and really highlights how insignificant bandwidth becomes in the grand scheme of things. The reality of it is that Fermi's (whether if by design or by overhead from the drivers) really require heaps of CPU power in order to really unleash their sheer power.

Even if you could overclock the hex-core 990X to around 4.5GHz, clock for clock SB is faster and many can overclock farther garnering even more performance. In my opinion, if you can cancel your order, I think your money would be better spent on overhauling and moving on to the SB platform. You may even end up saving some money in the end.
     
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post #19 of 60
Quote:
Originally Posted by LordInfamous666 View Post
i know people say its overkill, but i HATE dipping below 60fps, and yes even with 2x 590 overclock in quadsli, ive had dips in crysis 2 and 1 ... its a lot of firepower for my res, but it will keep me at 60+ fps in future games for longer...

i just ordered a i7 990x off newegg.. ill let u guys know the difference when i get it
Dear God, you have too much money for your own good. Gimme please

If you drop below 60fps in Crysis it's definitely a CPU bottleneck. My 6950s in CFX doesn't drop below 75fps in the Crysis benchmark, so you quad-SLI setup shouldn't either.

If you want to spend more money after this, you should consider dual MARS II
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post #20 of 60
I would say yes, given your GPU horsepower. You need a SB with a decent overclock on it to really make those GPU's stretch their legs. 1080p is a bit weak for Quad SLI though, so there probably not likely to stress enough until around 2560x1600 resolutions with all eyecandy turned up to the hilt. But 30" screens are far from cheap but much better than some cheap monitor Nvidia Surround setup. It's upto you in terms of display resolutions though.
 
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