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GPU bottleneck? 580 on an i5

post #1 of 18
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I'm seriously considering getting a GTX 580 and a new power supply but I was wondering if there will be a possible bottleneck because of my cpu? Does the i5 still hold up in the latest system intensive games? My i5 is not overclocked nor do I plan on overclocking it.
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post #2 of 18
There won't be a bottleneck if you have your i5 OC'd to at least 3.6 GHz. Hell, even a nicely OC'd i3 (1st gen) can hold it's own to the best games out there
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post #3 of 18
you should be fine. I noticed in your signature however that your only running a 400w power supply; I don't believe that will be powerful enough for a 580
    
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post #4 of 18
if you don't plan on overclocking it, then there might be a problem.. why have you chosen not to over clock?
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post #5 of 18
Quote:
Originally Posted by trentonv17 View Post
you should be fine. I noticed in your signature however that your only running a 400w power supply; I don't believe that will be powerful enough for a 580
Good point there. I'd recomemnd any quality 500-600w PSU, that can hold a 580, an OC'd i5, and even some more headroom.
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post #6 of 18
Thread Starter 
Quote:
Originally Posted by trojan92;13666394 
if you don't plan on overclocking it, then there might be a problem.. why have you chosen not to over clock?

I've just had horrible experiences with overclocking in past systems (computer not booting up, serious instability, etc). I'd rather just not deal with it. Also, I don't really care about benchmark scores; I just want my games to run really well.
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post #7 of 18
As long as the game is not CPU depedent (think Civ 5), then literally any CPU since the 2007 will run any single GPU without a bottleneck. This has been discussed time and time again. For instance, if you game at 1080P or higher on a GTX580 there will be no FPS difference between an i7 at 2.93GHz and 4.0GHz. I do not have the benchmark links anymore but they are on the internet if you search.

Edit:
Also you can tell how very little these people read what the OP posted. He stated himself that he will be buying a new power supply, but you have two people in this thread harping on how that would be a good idea as if he had no idea. -_-
Edited by Silaz - 5/28/11 at 9:46am
post #8 of 18
Quote:
Originally Posted by jak View Post
I've just had horrible experiences with overclocking in past systems (computer not booting up, serious instability, etc). I'd rather just not deal with it. Also, I don't really care about benchmark scores; I just want my games to run really well.
well the i5's are great for overclocking, I've seen multiple threads and posts on how to over clock. maybe you should give it a go, its not that hard once you read up on the information provided, plus, overclocking isn't just for benchmarks, I've taken my Q8300 from 2.5ghz to 3.1 and I can really feel the difference, much better frame rates in games, in Bf2 I get 60fps+ on 1080P with all the eye candy, video conversion doesn't take as long as it did on 2.5ghz, and so much more!! your on OCN, I'm sure people will persuade you to OC
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post #9 of 18
Quote:
Originally Posted by jak View Post
I've just had horrible experiences with overclocking in past systems (computer not booting up, serious instability, etc). I'd rather just not deal with it. Also, I don't really care about benchmark scores; I just want my games to run really well.
Well, overclocking is not instantly done. Hell, i've spent nearly a week overclocking, stabilizing, and optimizing my i3 overclock, and i've still got one more test to do to truly test the stability. Also, i do not trust the OCing buttons/profiles, i like to do everything old school. But it's really fun, and i've learnt alot from that. Plus, getting my i3 from 3.2 GHz to 4.1 GHz is a huge difference, both in games and in regular operation.

I can guess, if there is indeed a bottlenck with a stock i5, it would be minimal. It's not like you're dumping a 580 with a C2D, now that's massive bottlenecking
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post #10 of 18
Thread Starter 
Quote:
Originally Posted by Silaz;13666435 
As long as the game is not CPU depedent (think Civ 5), then literally any CPU since the 2007 will run any single GPU without a bottleneck. This has been discussed time and time again. For instance, if you game at 1080P or higher on a GTX580 there will be no FPS difference between an i7 at 2.93GHz and 4.0GHz. I do not have the benchmark links anymore but they are on the internet if you search.

But what about gaming at 1080p on a GTX580 on an i7 at 4ghz and a stock i5? Will there be any frame rate difference?
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