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Old 2012-09-05, 14:50   #3
kladner
 
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"Kieren"
Jul 2011
In My Own Galaxy!

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I am running a Gigabyte GTX 460 (2 fan) and a Gigabyte 570 (3 fan) in the same system. There are questions about the 570, which I have not been able to get to run CudaLucas. It has been suggested that this may be due to a memory problem, though I have been unable to demonstrate this with any test utility I have found.

Both of these models dump a lot of their hot air inside the case. I don't know how the models/brands with a single centrifugal blower compare in cooling ability. These appear to exhaust more of their heat to the outside, but I have no experience with them. Regardless, you are likely to see considerably more heat in your case, especially since you are talking a GTX 580 which draws more power than a 570.

Note that cc=2.0 is the most desirable level. On the memory question, my understanding is that larger amounts would mainly be called for if you plan to run CudaLucas with very large exponents. My GTX 460 (1 G RAM) is currently using 146 MB on a low 46M exponent in CL.
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