Minimizing memory latency

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GameMusic3

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Nov 25, 2014
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How do I tell the latency a high speed RAM would have if I underclocked?

Let us say a quick RAM has a listed 10 latency 3000GHZ while a basic RAM has 7 and 1600.

I think from the discussions I read the 3000 can actually support the lowest latency if underclock.
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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Yes in general you can drop the CL at least one for each step down in data rate i.e. if you have say 3000/13 then can drop to 2800/12, 2666/11, 2400/10, 2133/9. 1866/8 1600/7......but you will lose overall performance - each step up from 1600/7 will show a slight performance increase - clear up to 3000
 
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GameMusic3

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So I guess each can support the highest and EVERYTHING UNDER where a 3000/13 underclocked would be equal performance to a 1600/7?

You could buy a strong 3000/13 RAM to get everything, inclusive, under it depending on settings, but it would not be better than a 1600/7 if minimizing latency?

And if I want a low latency over anything else the cheaper RAM is equal?
 
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Tradesman1

Tradesman1

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The biggest difference you see with the higher data rates is that you are doing more at once than with the slower Data rates - it will show the most in multi-tasking, memory heavy apps and large data sets (video , rendering, imaging, CAD, GIS, VMs that type of thing)
 
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GameMusic3

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Yes but if I ran an application in which latency is important and frequency is not, in theory, how would I get it the lowest possible?

Would expensive memory using a 3000/13 standard possibly get better latency [1600/6?] than a cheaper memory [1660/7] or are these more equal?

If not would I get any functional advantage if I underclock a premium memory A or use a basic speed one B running at standard?
 
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