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FX-9590/9370 + 2 7990s - Bottleneck or AMD Perfection?

post #1 of 13
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Just a question, will an 8350 or 9590 at 5+GHz bottleneck quadfire 7990s? Or will it be okay?
post #2 of 13
Quote:
Originally Posted by King PWNinater View Post

Just a question, will an 8350 or 9590 at 5+GHz bottleneck quadfire 7990s? Or will it be okay?

It will not be bottled necked, I had an 4300 crossfire and it did not bottleneck it!

Also on the 79xx club you can find users who have quad fire with 8350 and are not bottlenecked,

What would happen though is that you WONT get the MOST potential increase in FPS in games which intel chips seem to perform better. (but that is a system limit not bottleneck)
post #3 of 13
Quote:
Originally Posted by istudy92 View Post

It will not be bottled necked, I had an 4300 crossfire and it did not bottleneck it!

Also on the 79xx club you can find users who have quad fire with 8350 and are not bottlenecked,

What would happen though is that you WONT get the MOST potential increase in FPS in games which intel chips seem to perform better. (but that is a system limit not bottleneck)

its Quadfire

you might wanna ask in the Croosfire Club

i am not too sure if the 7990 Quadfire will be a bottleneck ... but since the FX chips are the equivalent of i5's i have a feeling it could be an huge bottleneck
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post #4 of 13
If by bottleneck you mean choke off a large portion of performance then NO.

If you mean get a few less frames per second than a i7 would then YES.

A pair of 7990's will still rip thru any game on the market right now and a highly overclocked 8300 or better will still be fast enough to feed them so youll get plenty of their potential. You would be able to get a little better frame rates with an overclocked i7 but it wouldnt be a substantial gain. So yes, while an i7 would be idea for that much GPU horsepower, a highly overclocked FX chip will still work fine.
post #5 of 13
Yes, you will be bottlenecked (getting less performance than the GPU is capable of), but all current games will be still at playable framerates.

http://www.tomshardware.com/reviews/fx-8350-core-i7-3770k-gaming-bottleneck,3407-3.html
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post #6 of 13
Quote:
Originally Posted by MacLeod View Post

If by bottleneck you mean choke off a large portion of performance then NO.

If you mean get a few less frames per second than a i7 would then YES.

A pair of 7990's will still rip thru any game on the market right now and a highly overclocked 8300 or better will still be fast enough to feed them so youll get plenty of their potential. You would be able to get a little better frame rates with an overclocked i7 but it wouldnt be a substantial gain. So yes, while an i7 would be idea for that much GPU horsepower, a highly overclocked FX chip will still work fine.

Yeah basically
Quote:
Originally Posted by awdrifter View Post

Yes, you will be bottlenecked (getting less performance than the GPU is capable of), but all current games will be still at playable framerates.

http://www.tomshardware.com/reviews/fx-8350-core-i7-3770k-gaming-bottleneck,3407-3.html

Well look at the graphs, graphics scores are not reduced they remain the same so GPU is not lacking in performance its just the CPU itself like MacLeod above said is causing an OVERALL maximum potential FPS to be lower because of hardware limitation but has no correlation with affecting the GPU itself.
If you were to use a duo core processor then, yeah that would prolly bottleneck GPU.
post #7 of 13
Istudy should i explain again? Pls dont spread misinformations. On 3dmark graphic score has nothing to do with the cpu. Look your combined score on 3dmark.Dont play with people money.That people with amd quadfire know that they get bottlenecked but they just want to do it.Nothing wrong with that but to make statements that you will not gonna get bottleneck is pure stupid. Even a 5ghz sbe bottleneck 4 gpus

Dont get 2 7990s. The highest that i advice to go is trifire. Or 2 290s. And 9590 is overpriced. Get a 8350 and oc it. Most of them hit 4.8
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post #8 of 13
Quote:
If by bottleneck you mean choke off a large portion of performance then NO.

If you mean get a few less frames per second than a i7 would then YES.

That is the definition of bottleneck

If a system would have 100fps with five CPU's but only 90fps with another CPU, then it's a CPU bottleneck

If you're pushing performance hard, you'd want the "best performance" hardware, not "best value" so 4770k or 4930k for four-gpu is near mandatory IMO
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post #9 of 13
Although if I was spending $1000+ on gpu's I would personally want to know I'm getting the best possible performance out of them. I would go for an i7 if I had $1000+ to spend on ONLY my graphics cards.

If you had the cpu already I wouldn't change it, but if you do not already have the cpu there really isn't any reason to choose AMD over an i7 since the 9370/9590 are in the same price range as an i7. Plus you can't cheap out on the motherboard with those since they are 220W tdp chips. So in the end you are most likely going to spend the same amount for either chip setup and the i7 will give you more performance, even if it may only be a couple percent.
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post #10 of 13
Quote:
Originally Posted by Cyro999 View Post

Quote:
If by bottleneck you mean choke off a large portion of performance then NO.

If you mean get a few less frames per second than a i7 would then YES.

That is the definition of bottleneck

If a system would have 100fps with five CPU's but only 90fps with another CPU, then it's a CPU bottleneck

Not to me. If its a difference so small that you'll never notice it in real world game play (i.e. 100 vs 90 fps), that's not a CPU "bottleneck". At least not one worth worrying about.

Sent from my Galaxy Note 2.
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