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Memory: Speed VS Latency?

post #1 of 23
Thread Starter 
Hey all,

I'm trying to figure out whether it is better to shell cash out on high speed RAM or go for a lower latency, and also which is preferable when overclocking.

Does anyone have a good link to some benchmark tests somewhere? i trawled google for a while and came up with Jack.

I know to benchmark when overclocking to find the optimum, but when it comes to buying new sticks, i need to know which is preferable.

Cheers!
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post #2 of 23
I would go with latency, and I would recommend Memtest86+ for testing it.
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post #3 of 23
Latency
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post #4 of 23
Since you have an AMD chip i would go low latency. If it were intel i would say higher speed
    
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post #5 of 23
Quote:
Originally Posted by OutOfBalanceOX View Post
Since you have an AMD chip i would go low latency. If it were intel i would say higher speed
This. AMD CPUs generally have a hard time coping with higher clock frequencies. Their IMC is more limiting in that regard compared to Intel's CPUs.
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post #6 of 23
highest speed with lowest latency, within reason.
1800 7-7-7, 1600 6-6-6, something like that.
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post #7 of 23
Considering Phenom's IMC only officially supports up to DDR3-1333, I found it wiser to shop for lowest latency at that speed at spec voltage (1.5v).
    
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post #8 of 23
Here is a good comparison done over at the OCZ technology forum on a MSI 790FX-GD70. It compares faster speed to lower speed with tighter timings.
post #9 of 23
I have had absolutely no issues running my ram as high as 1650, so I would suggest some good 1600 speed ram with low latencies. That way if it fails to run that fast you can always downclock it to 1333. Maybe these...

ECOs @ CL7
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post #10 of 23
Quote:
Originally Posted by coonmanx View Post
I have had absolutely no issues running my ram as high as 1650, so I would suggest some good 1600 speed ram with low latencies. That way if it fails to run that fast you can always downclock it to 1333. Maybe these...

ECOs @ CL7
Those sticks can go even lower than CL7 with more volts
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