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Memory overclocking tips?

post #1 of 6
Thread Starter 
I got these bad boys installed
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231314

in this mobo
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157280

Going over 1600 doesn't appeal to me since I have a Phenom II processor, but I was thinking about tightening the timings down a bit. Any tips or requirements I should know or should I just jump right in and bring it down to 8?
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post #2 of 6
There is no magic in latencies or frequencies above 1333 MHz. with DDR3 RAM.

You can try lower latencies and see what happens. You may need to up the voltage or lower the frequency to run tighter latencies though in real world apps there is no tangible system performance gains by doing so, except in benches.

With slower frequency DDR/DDR2 tighter latencies did show some slight gains. DDR3 RAM operating at 1333+ MHz. isn't really a system bottleneck like DDR/DDR2 was. It's also useful to understand that as the frequency increases, one clock cycle decreases in real time, so there is diminishing returns in tighter latencies as the frequency increases.

http://www.hardwaresecrets.com/article/Understanding-RAM-Timings/26

http://www.overclock.net/t/1206332/help-me-through-my-bottleneck-6-7-6-24-1t-1333mhz/20#post_16432691
post #3 of 6
Thread Starter 
oh okay so basically there's no reason to ask for more than I have right now, RAM-wise?
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post #4 of 6
Quote:
Originally Posted by toothman View Post

oh okay so basically there's no reason to ask for more than I have right now, RAM-wise?

Correct. thumb.gif
post #5 of 6
Quote:
Originally Posted by AMD4ME View Post

With slower frequency DDR/DDR2 tighter latencies did show some slight gains.1

But with DDR2 it is worth it? I have 2GB of 800, is there any tangible gain? Here is specific model, I haven't changed a thing in the BIOS in regards to RAM.
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post #6 of 6
Quote:
Originally Posted by kid spartan View Post

But with DDR2 it is worth it? I have 2GB of 800, is there any tangible gain? Here is specific model, I haven't changed a thing in the BIOS in regards to RAM.

Yes, DDR and DDR2 do tend to show some small gains in real world apps. because of the lower frequency and longer real time in one clock cycle. It's definitely not a big gain but a bit more than with DDR3 in many cases.
Edited by AMD4ME - 2/20/12 at 5:54pm
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