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post #1 of 9 (permalink) Old 03-10-2019, 06:46 PM - Thread Starter
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Overclocking frequency vs timings

So I'm overclocking my Corsair dominator 32 gig 3600 16-18-18-36 4 dimm. I'm at 4100mhz @ 1.44v, should I be pushing for tighter timings or frequency here at this point?
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post #2 of 9 (permalink) Old 03-10-2019, 06:54 PM
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Actual performance gains are going to be practically non-existant so I'd do whichever benches better. Timings are already pretty good for 4100mhz.

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post #3 of 9 (permalink) Old 03-10-2019, 07:26 PM
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if you currently have 4100 at 16-18-18 instead of the 3600 spec, why not try setting back to 3600, and seeing how far you can tighten things up?


See which one gives you a bigger increase over the XMP, and use it.


memory benchmarking can be troublesome at times to show increases, so use a variety of methods to test.


Sometimes, one benchmark will show a big increase, while a couple others will show a small decrease or same. All depends on how the memory is utilized.




Lower frequency will allow lower tRFC and higher tREFI, so that is also something to consider.
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post #4 of 9 (permalink) Old 03-10-2019, 07:28 PM
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Whichever brings the lowest final latency in aida64 without losing significant bandwidth.
Just be aware that the test is sensitive to background processes so you will likely need to run it a few times for a rough average.
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post #5 of 9 (permalink) Old 03-10-2019, 07:44 PM
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I'd stop and work on your sub timings before you do anything... you didn't mention them so I'd imagine they're on auto and auto settings are the worst.

My 4133 kit at 17-18-18-34 2T was being beaten by my 3733 17-18-18-36 2T kit because my board was setting the secondaries so loose.

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post #6 of 9 (permalink) Old 03-11-2019, 12:30 PM - Thread Starter
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Thank you all very much for the input
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post #7 of 9 (permalink) Old 03-11-2019, 12:35 PM
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Before you rest on some settings use a simple benchmark like built-in in Aida64 memory benchmark to see if you've gained anything or even lose performance.

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post #8 of 9 (permalink) Old 03-13-2019, 09:33 PM
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Whatever the highest frequency is that you can get stable with tRDRD_dg & tWRWR_dg set to 4.

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post #9 of 9 (permalink) Old 03-14-2019, 07:36 PM
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Quote: Originally Posted by xSneak View Post
Whatever the highest frequency is that you can get stable with tRDRD_dg & tWRWR_dg set to 4.
I kind of stumbled into this same observation. As I went up in speed with looser timings (like from 4000MHz to 4133MHz), I didn't get faster AIDA64 memory benchmark results at the faster speed until I got tRDRD_dg & tWRWR_dg down to 4 again.

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