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Help with Bottle-necking

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July 28, 2012 3:28:50 AM

Ok, so I'm building my PC and want to know what my CPU needs to be at to prevent bottle necking with my GTX 560ti 2GB card. I currently have a Phenom II x4 945 Oc'd to 3.45GHz but I can still definetely push it more than that. Is that speed fine?

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July 28, 2012 3:44:38 AM

a 560ti shouldnt bottleneck a x4 945. I used to have a HD6850 with a 1055t (performnce simular to 945) and no bottleneck... until my 680 came along. You should be good before a 6970 for multiplayer games at least which cause the most problems
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July 28, 2012 4:09:08 AM

You should be perfectly fine with your current CPU and GPU configuration.

My Phenom II X4 955 at stock speeds (3.2Ghz) didn't bottleneck my GTX 560 Ti at all :) 
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July 28, 2012 4:44:03 AM

Thanks for the response. What would you GPU would you recommend if I updated my processor to an Intel Core i5-3570K Ivy Bridge 3.4GHz OC'd to 4.0GHz. I plan to buy this processor later. I was thinking of just doing SLI with the 560ti but I was also thinking of moving up to the 680 or 690.
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July 28, 2012 4:44:18 AM

Best answer selected by skateabuga.
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July 28, 2012 4:46:03 AM

skateabuga said:
Thanks for the response. What would you GPU would you recommend if I updated my processor to an Intel Core i5-3570K Ivy Bridge 3.4GHz OC'd to 4.0GHz. I plan to buy this processor later. I was thinking of just doing SLI with the 560ti but I was also thinking of moving up to the 680 or 690.


Since you already have a GTX560 Ti, you could always SLI :)  However, just make sure your PSU has enough juice.

Though if you have the money to invest in a 680 or 690, I would highly recommend the GTX670 as it's the best bang for your buck at the $400 price range :) 
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July 28, 2012 4:53:55 AM

mocchan said:
Since you already have a GTX560 Ti, you could always SLI :)  However, just make sure your PSU has enough juice.

Though if you have the money to invest in a 680 or 690, I would highly recommend the GTX670 as it's the best bang for your buck at the $400 price range :) 


Which do you think would be a better investment? My PSU isn't that great. It's a Tier 3 Rosewill Xtreme 750watt
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July 28, 2012 4:56:39 AM

skateabuga said:
Which do you think would be a better investment? My PSU isn't that great. It's a Tier 3 Rosewill Xtreme 750watt


Your PSU isn't too bad by any stretch. However, I believe the GTX670 will be a much better investment.

I prefer one powerful card rather than two lower tier cards in SLI/CF. I personally haven't had good experiences with multi-GPU configurations :lol: 
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July 28, 2012 4:59:45 AM

Lol thanks for the help, and one last question. I need to make a choice soon about liquid cooling vs. better air cooling. I can't really seem to find a good CPU heatsink, and I want to continue OC'ing, so I'm thinking about liquid cooling. What do you think would be best?
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July 28, 2012 5:05:08 AM

skateabuga said:
Lol thanks for the help, and one last question. I need to make a choice soon about liquid cooling vs. better air cooling. I can't really seem to find a good CPU heatsink, and I want to continue OC'ing, so I'm thinking about liquid cooling. What do you think would be best?


Personally I prefer the Noctua NH-D14.

However, something like an H80 or H100 will do just fine if you would really like a liquid CPU cooler. Just make sure your case can support any of these coolers before you make your purchase :) 
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July 28, 2012 5:08:27 AM

mocchan said:
Personally I prefer the Noctua NH-D14.

However, something like an H80 or H100 will do just fine if you would really like a liquid CPU cooler. Just make sure your case can support any of these coolers before you make your purchase :) 

Thanks for the help! And on that Noctua NH-D14, can you interchange the fans for another kind?
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July 28, 2012 5:10:34 AM

skateabuga said:
Thanks for the help! And on that Noctua NH-D14, can you interchange the fans for another kind?

Yes you can :)  However, the ones that come with the D14 are very high quality to begin with, so I wouldn't really recommend it.

If the colors are bothering you, I would recommend something like the Thermalright Silver Arrow :) 
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July 28, 2012 5:18:44 AM

mocchan said:
Yes you can :)  However, the ones that come with the D14 are very high quality to begin with, so I wouldn't really recommend it.

If the colors are bothering you, I would recommend something like the Thermalright Silver Arrow :) 

Hey would a this GTX 670 http://www.newegg.com/Product/Product.aspx?Item=N82E168... be bottlenecked, and if so, how much better would I need my processor to be? I also only have PCI2.0
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July 28, 2012 5:21:41 AM

skateabuga said:
Hey would a this GTX 670 http://www.newegg.com/Product/Product.aspx?Item=N82E168... be bottlenecked, and if so, how much better would I need my processor to be? I also only have PCI2.0


With your current CPU, you will see a slight bottleneck.

PCI-E 2.0 or PCI-E 3.0 will not be an issue unless you are planning to do a 3 or 4 way SLI in the future :)  if you're going to run a single or dual card configuration, PCI-E 2.0 will still suffice.
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July 28, 2012 5:23:58 AM

How about If I brought the OC up to 3.8 or 4.0 later?
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July 28, 2012 5:27:49 AM

skateabuga said:
How about If I brought the OC up to 3.8 or 4.0 later?


You will still see a slight bottleneck with your CPU, however it won't be a major bottleneck making your games unplayable, so I don't think you should be worried.

http://www.anandtech.com/bench/Product/362?vs=289

The X4 980 at stock is roughly equivalent to your CPU overclocked to 3.7/3.8Ghz. I know that the i3 21xx CPU's won't bottleneck a GTX670 too much, so you should be fine :) 
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July 28, 2012 10:43:08 AM

This topic has been closed by Mousemonkey
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