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Ram Frequencies...

post #1 of 13
Thread Starter 
I am kinda confused here. Ive been looking aorund the forums and the internet for a complete answer, but couldnt find it. So i figured id ask the pros here are OCN. I am running my ram at 1:1, but have heard im better off OC them over 1000MHz if I am going to use stock timings (5-5-5-15 2T). Can someone please let me know if its even worth tweaking or just to leave it at 1:1? I am currently running at 886MHz at 1.9Vdimm, and im pretty sure i could have left it at stock 1.8Vdimmm. Thanks in advance guys.
    
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post #2 of 13
You probably won't see much in terms of real world gain by OC'ing your memory. If your into setting benchmarks then by all means OC away.
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post #3 of 13
Thread Starter 
thats what i figured lol. so there is no noticable diff between say 1:1, 2:3, 5:6 ratios?
    
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post #4 of 13
Depends on the application mostly. You probably wont see much in terms of gaming performance. Other applications have benefited like photoshop etc. 2-4% performance improvement in somethings. If you can manage to keep squeezing 2-4% out of other areas then it's a payoff. If you are already at your max in all components then you might not see much of a result.
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post #5 of 13
I have mine set to 4-4-4-15 2T 1060MHz I believe and at 2.2v
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post #6 of 13
Quote:
Originally Posted by aznDANNYazn View Post
thats what i figured lol. so there is no noticable diff between say 1:1, 2:3, 5:6 ratios?
I've found my SuperPi times improve as my bandwidth increases. Use a diagnostic program (Everest or SiSandra) or performance program (like SuperPi) and try the dividers at different settings. I used to have very low latencies but have loosened them to allow a higher strap (right now 4:5) and higher MHz...thus better performance.
Give it a try....you can always switch back.
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post #7 of 13
Leave it at 1:1 if you can. That's optimal. Your volts won't kill anything but if you can, take it down to 1.8
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post #8 of 13
Quote:
Originally Posted by se7en56 View Post
Leave it at 1:1 if you can. That's optimal.
How? If higher MHz improve performance on Intel processors, then how is 1:1 optimal? It may be more stable for OCing, but the maximum output of the CPU should be set before the RAM is OCed.
At least that is my understanding.
As I said above, try it both ways and see what your outcomes look like.

With the Everest Bechmarks, switching from strap 4:5 5-4-4-9 @ 1080 MHz to 1:1 4-3-3-9 @ 824 MHz my scores dropped from:
Read 9672 to 8500
Write 9222 to 9000
Copy 8451 to 7929
Latency 51.8ns to 58.9ns

SuperPi 1M goes from 11.8s to 12.3s

I'm pretty sure for my system the higher bandwidth makes a positive improvement.
Edited by 18 is # 1 - 7/7/08 at 12:14pm
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post #9 of 13
Thread Starter 
i have been busy studying for my summer classes, but i will find time this weekend to test it. i have SiSandra and will bench with that and superpi, thanks for the info.

btw...ive been reading up with my free time, and i read somewhere when OCing ram, either tighten up the timings with moderate MHz OC will do the same at "looser" timings with higher MHz. any truth behind that?

thanks again
    
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post #10 of 13
Quote:
btw...ive been reading up with my free time, and i read somewhere when OCing ram, either tighten up the timings with moderate MHz OC will do the same at "looser" timings with higher MHz. any truth behind that?
Yes that is true
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