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OC RAM timings or frequency?

post #1 of 14
Thread Starter 
Hi

What makes more of a difference, OCing timings or the frequency of RAM?

Stock RAM settings:
Freq: 1600mhz
Timings: 9-9-9-24

Thanks
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post #2 of 14
From what I understand, AMD responds better to timing over frequency, and it's opposite for Intel.

This has always been the question in my head So not to highjack, but I'd like to know the answer for this once and for all as well!
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post #3 of 14
with AMD deneb..timings>frequency.. tighten 'um up!
 
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post #4 of 14
Thread Starter 
Quote:
Originally Posted by jellis142 View Post
From what I understand, AMD responds better to timing over frequency, and it's opposite for Intel.

This has always been the question in my head So not to highjack, but I'd like to know the answer for this once and for all as well!
I think your right because my ram wont go far over 1600mhz. I'm not very good at tightening timings yet though. any tips for tightening timings?
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post #5 of 14
It's not that tight-timings are better for AMD over speed, it's the fact that most K10 IMC's can't go that high, so you are left with tightening the timings. Obviously doing both would be best. Bump up the voltage a little and try 8-9-8-23, or 8-8-8, you just have to play with it.
Edited by Redwoodz - 10/24/11 at 7:17am
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post #6 of 14
I felt more difference with 1808mhz 9-10-9-27-1T than with 1333mhz 7-7-7-24-1T
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post #7 of 14
Thread Starter 
Quote:
Originally Posted by Redwoodz View Post
It's not that tight-timings are better for AMD over speed, it's the fact that most K10 IMC's can't go that high, so you are left with tightening the timings. Obviously doing both would be best. Bump up the voltage a little and try 8-9-8-23, or 8-8-8, you just have to play with it.
Thanks for the tips!

What would you consider the max safe voltage for my ram is? Stock is 1.65v
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post #8 of 14
I'll put it this way for you OP - the lower your CL, ultimately the less clock cycles your RAM has to wait for refresh/information. 1600CL9 performs about the same as 1333CL7. 1333CL5 outperforms 1600CL9. A really nice sweet spot is 1600CL6. The bandwidth gains in 1800+ for CL9 latencies and above are almost negligible.

To tighten your timings, avoid increasing your voltage. Increasing voltage can help but it helps more so with frequency increase. Change one setting at a time and see if you are stable. Test with something like SuperPi 32M for stability - if you pass, change the next number. And so on.
    
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post #9 of 14
Quote:
Originally Posted by mrcooler View Post
Thanks for the tips!

What would you consider the max safe voltage for my ram is? Stock is 1.65v
On AMD CPU's it's fairly safe to run high voltage, only Intel CPU's prefer low-voltage. 1.75-1.8v is probably the most you need to run. I would set it to 1.7v on the RAM and bump your CPU/NB(IMC)v up to 1.4v depending on your CPU cooling. For your sticks I would try for around 1680MHZ at CL 7-9-8-24-33 or 8-9-8-24-33.
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post #10 of 14
Quote:
Originally Posted by Redwoodz View Post
On AMD CPU's it's fairly safe to run high voltage, only Intel CPU's prefer low-voltage. 1.75-1.8v is probably the most you need to run. I would set it to 1.7v on the RAM and bump your CPU/NB(IMC)v up to 1.4v depending on your CPU cooling. For your sticks I would try for around 1680MHZ at CL 7-9-8-24-33 or 8-9-8-24-33.
The CPU/NB voltage shouldn't need to be that high.
    
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