Somewhere on the forums I red that its better to have a fast GPU instead of multiple slower ones.
So the statement is as following:
You can solve blocks faster with one expensive fast GPU then with 2 slower budget GPU's while your still having the same ammount of Mhash/s?
Is anything of this true?
I think that there is some grain of truth in this because of the following reasons:
1.It can be more energy efficient to run 1 super fast GPU (even if it's insanely OC'd) than running multiple slower GPUS's because a PSU can only run so many GPUS reliably without going upo in smoke or just stop working due to overloading of hte 12V rails by having several smaller GPUs rather than 1 fast one.E.g,If I put 3 HD4670 GPUS and each GPU draws 26Amps from my PSU and the PSU can only support 36Amps (when combined with 2 12V rails),the PSU would overload and fail,whereas putting in 1 meatier GPU like I dunno a Hd 5850,then I can get much more performance from the fast GPU than i ever would have by having 3 slower GPUs at the same time without risking my PSU
2.some mobos only have 2 or so PCI-E x16 slots so some cards can't be physically inside ur system due to not enough slots to put them in.
This is just my opinion on why I think it's better to have 1 fast GPU rather than 3 slower ones.I hope this helps you.If I'm wrong or missed nything out then plz feel free to add to this topic.
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