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Will Q9550 @ 4ghz bottleneck SLI gtx580??

post #1 of 20
Thread Starter 
Just wondering if my sig rig will bottleneck a pair of 580s.. I know my cpu is kinda of out dated.. but will it handle a pair of 580s fine?? any help will be appreciated... Thanks
Edited by xxlap1xx - 2/23/11 at 9:23am
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post #2 of 20
I think you will be fine running at 4GHz.
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post #3 of 20
Your cpu should be fine at your current Overclock, I would say seeing as one GTX 580 requires a 600w psu. With two and your current overclock you might find your getting rather close to the limit of your 850w, perhaps a psu upgrade ?
    
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post #4 of 20
There will definitely be times where you'll get fewer FPS than you would if you had an infinite amount of CPU power.

It depends on what test (what game/bench) you run, and what settings you run it at.

BTW, the brand is spelled "Corsair". And that PSU will be fine.
    
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post #5 of 20
Thread Starter 
Quote:
Originally Posted by brettjv View Post
There will definitely be times where you'll get fewer FPS than you would if you had an infinite amount of CPU power.

It depends on what test (what game/bench) you run, and what settings you run it at.

BTW, the brand is spelled "Corsair". And that PSU will be fine.
I see... Thanks I'll fix that... Also, around how much of fps differences am I looking at if I have a I7 950 or SB 2600K both OC'ed to 4ghz... Thanks
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post #6 of 20
you will

but it wont be so noticeable with that overclock

just dont overclock the cards as it might decrease performance and not help in anyway...
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post #7 of 20
Quote:
Originally Posted by xxlap1xx View Post
I see... Thanks I'll fix that... Also, around how much of fps differences am I looking at if I have a I7 950 or SB 2600K both OC'ed to 4ghz... Thanks
A minimal difference in most games will be had by upgrading to a newer CPU. I would wait until Ivy Bridge comes out and later comes down in price, by then you may be ready. But for now you still have a very nice setup.
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post #8 of 20
do not overclock your cpu higher... try your cpu speed with overclocking 200/300mhz more w/o memory clock drops... i think it will perform better than your 4ghz... try it ... if you dont believe me
    
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post #9 of 20
Lynnfield owns all.

You will be fine with that PSU and also both cards.
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post #10 of 20
That PSU is on the limit for your setup. If you overclock both of those GTX 580s (in addition to your proc) you'll be bouncing off the 850w under full load/stress situations. Of course, it all depends on what you play too. More CPU-dependent games won't tax your GPUs, and therefore not use quite as much power.
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