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Would a GTX 580 SLI bottleneck i5-2500K?

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  • Graphics Cards
  • Intel i5
  • Graphics
  • Product
Last response: in Graphics & Displays
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March 4, 2012 3:46:50 AM

I am looking to build my first PC later this year (mid-late summer). I am considering getting a Core i5-2500K (or Ivy Bridge 3750K) because I was told the only difference between it and the i7 is hyperthreading, which games do not really take advantage of. I've researched that the i5 is the best bang-for-buck gaming performance CPU. With all this advice, I figured I should save the $100 bucks and get the i5.

For graphics, right now I'm considering getting 2 GTX 560 Ti's in SLI, but I will also look at what the Kepler cards will have to offer. I have also been told that I should get a single 580 (or 680 Kepler) and then save up and get a second one and put those into SLI and that should be good for quite a few years and handle any game on any resolution, max settings, AA, etc.

I will be using this PC SOLELY for gaming, as I have an i7 laptop for all my other needs (it just doesn't handle games well). I want to be able to play ANY game (mainly fps's like Battlefield 3 or Crysis, but any game I throw at it as well) at ANY settings SMOOTHLY with little to no upgrades for a few years. I would be playing on a single 1920x1080 monitor. My budget is ~$1800 (flexible). Having said that, I still want to get the best bang-for-buck solution, without wasting money.

Any and all advice is greatly appreciated, as I really don't know too much about all this stuff yet. This forum has been really helpful so far, so thank you in advance!

More about : gtx 580 sli bottleneck 2500k

a c 217 U Graphics card
March 4, 2012 4:16:39 AM

Considering you can't really get anything faster, even if it caused a bottleneck, there isn't much you could do.

If you are bottlenecked it will only be because the game has very little graphics demand that would allow your card to deliver far more FPS than your monitor could display or the game was horribly coded.
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a b U Graphics card
March 4, 2012 4:17:02 AM

short answer -NO.
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a c 87 U Graphics card
March 4, 2012 4:19:50 AM

Agreed, the i5s shouldn't have any problem with any video card. You might need to overclock it, but it shouldn't be a significant difference even if you did.
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March 4, 2012 4:25:45 AM

Maybe I should get this out of the way, what exactly does bottlenecking mean? I'm with the understanding that it means that the CPU isn't letting the GPU perform at its full potential. Is that correct? And if the i5 were to bottleneck, would it be at a level that wouldn't even be noticeable?
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a c 217 U Graphics card
March 4, 2012 4:29:14 AM

A bottleneck is basically a weak link, or the component that is holding back performance. Don't worry about the i5 bottlenecking. Almost every system will bottleneck on occasion. Sometimes it's the GPU, sometimes it's the CPU. All you can do is try to balance everything.

The i5 is good, as good as you can get at a reasonable price for gaming. The i7 offers you more threading, but games rarely use more than 3 or 4 threads and when they do, it doesn't make a big difference anyways.
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March 4, 2012 7:55:10 AM

Well first of all:
1. No, it would not be bottlenecked.
2. If you are building late summer you will probably want to buy Ivy Bridge, which has been postponed until then.
3. Why the hell 2 GTX 580s? When you can get two 7950s for almost the same price, and they are faster, quieter, draw less power, and are overclocking beasts!
But as you said, you could check what Kepler has to offer!
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March 4, 2012 8:33:55 AM

hey even gtx 580's in sli with i7 2600k will bottleneck the i7 because 2 gtx 580's are more power than i7 2600k ..its like two jet engines in a single get..see this video
http://www.youtube.com/watch?v=8UoZ27MXt_0&feature=g-us... nvidia tells that a single gtx 3gb card will provide better frame rates than a dual gx 580 because 2 gtx 580's cause bottleneck problems..
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a b U Graphics card
March 4, 2012 9:01:34 AM

just a slight correction...the i5 ivy bridge will be 3570k ...the 37xx series are i7
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March 4, 2012 9:01:59 AM

vishalaestro said:
hey even gtx 580's in sli with i7 2600k will bottleneck the i7 because 2 gtx 580's are more power than i7 2600k ..its like two jet engines in a single get..see this video
http://www.youtube.com/watch?v=8UoZ27MXt_0&feature=g-us... nvidia tells that a single gtx 3gb card will provide better frame rates than a dual gx 580 because 2 gtx 580's cause bottleneck problems..


If bombs were falling and the government told you everything was fine, would you believe them?
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a b U Graphics card
March 4, 2012 9:10:41 AM

^WTF?
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a b U Graphics card
March 4, 2012 9:25:37 AM

vishalaestro said:
hey even gtx 580's in sli with i7 2600k will bottleneck the i7 because 2 gtx 580's are more power than i7 2600k ..its like two jet engines in a single get..see this video
http://www.youtube.com/watch?v=8UoZ27MXt_0&feature=g-us... nvidia tells that a single gtx 3gb card will provide better frame rates than a dual gx 580 because 2 gtx 580's cause bottleneck problems..

Very starnge concept their. Of course a GPU is faster than a CPU but the CPU isn't genrally doing that much processing. During graphics intensive games apart from doing the AI in alot of cases the main job of the CPU is gathering the data for the GPU but NOT processing that data. You could SLi 2 x GTX 580 with the lastest i7 and not have a bottleneck.
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a b U Graphics card
March 4, 2012 9:35:59 AM

sorry for capitals but-
YOU CANNOT AVOID BOTTLENECKS 100%.
some games are more gpu intensive and some are more cpu intensive.in some games(BFBC2)you will score high frame rates with a dual core(lets say 2100) but in some games(cpu intensive=GTA or flight sim)even a powerful quad core also suffers.
upgrading your cpu for cpu intensive games makes a worth difference where as for gpu intensive games a high end gpu paired with a good dual core runs fine.
to OP,2600k will not bottleneck 580 SLi.you can score high frame rates with overclocking.
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March 4, 2012 10:21:13 AM

LtnCharles said:
If bombs were falling and the government told you everything was fine, would you believe them?

ha ha ha good question.. pls see the video i mentioned u can see fps dipping from 20-30fps during heavy gpu load i'm not just saying by hearing some rumors ..the nvidia told the guy who host this video that he could use a single gtx 580 instead instead of two because the pci bandwidth is low for 2 asus gtx 580's and im sorry saying as it as a processor bottleneck but im sure that u will get better performance with a single gtx 580 than a dual gtx 580's pls see this video as the tech says it with proof of gameplay http://www.youtube.com/watch?v=z-s6q6FfOlk&feature=g-us...
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March 4, 2012 3:41:04 PM

gcatalin said:
just a slight correction...the i5 ivy bridge will be 3570k ...the 37xx series are i7

Haha sorry bout that. I couldn't remember if it was 35 or 37.
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March 4, 2012 3:43:42 PM

So when Ivy Bridge and Kepler come out, I'm probably gonna go with those over Sandy Bridge and Fermi. Since that's the case, if I want to splurge my money and just go for the 680 and pair it with an i5-3570K, there should be no problem right (assuming that all leaked specs so far are accurate)?
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Best solution

March 4, 2012 4:05:24 PM

llguitargr8 said:
So when Ivy Bridge and Kepler come out, I'm probably gonna go with those over Sandy Bridge and Fermi. Since that's the case, if I want to splurge my money and just go for the 680 and pair it with an i5-3570K, there should be no problem right (assuming that all leaked specs so far are accurate)?

yes that's the way to go don't go to dual gtx 680 in future because the pci bandwidth will not support the high speed gtx 680's..instead buy a single 3gb version of gtx 580 if u are using more than a 1080p resolution .if your monitor is 1920x1080p just buy a 1gb version that will be enough..
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March 4, 2012 4:11:50 PM

vishalaestro said:
yes that's the way to go don't go to dual gtx 680 in future because the pci bandwidth will not support the high speed gtx 680's..instead buy a single 3gb version of gtx 580 if u are using more than a 1080p resolution .if your monitor is 1920x1080p just buy a 1gb version that will be enough..

Do you think they will release a 3GB version of the 680? And if I was wanting to be efficient with my money, should I go with 2 660 Ti's over the single 680 (again, assuming they are to have the leaked performance boost over Fermi and 7900 series)?
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a c 217 U Graphics card
March 4, 2012 5:04:29 PM

This post has definitely gotten a lot more response than it deserves.
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a b U Graphics card
March 4, 2012 5:20:09 PM

^good to see you mr.384 bit or recon-uk :) 
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a b U Graphics card
March 4, 2012 5:22:19 PM

i think OP got his answer.
where yo have been?
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a b U Graphics card
March 4, 2012 5:24:17 PM

^nah,i didn't knew that lol!
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a b U Graphics card
March 4, 2012 5:26:17 PM

^well this shows difference between n00bs(me) and experienced peeps.
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a b U Graphics card
March 4, 2012 5:29:17 PM

recon-uk,update your configuration.you got a 4.5ghz 2500k but it shows amd lollll!!!!
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March 4, 2012 6:04:50 PM

Best answer selected by llguitargr8.
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