2x8gb RAM flareX bdie running at 3000mhz TRAS 28 vs TRAS 34 and it seems TRAS 34 win? - Overclock.net - An Overclocking Community
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2x8gb RAM flareX bdie running at 3000mhz TRAS 28 vs TRAS 34 and it seems TRAS 34 win?

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post #1 of 169 (permalink) Old 03-21-2020, 07:55 AM - Thread Starter
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2x8gb RAM flareX bdie running at 3000mhz TRAS 28 vs TRAS 34 and it seems TRAS 34 win?

Hi,

As you can see on the picture, it seems i get slightly better performance with TRAS 34 vs TRAS 28.
Ram 3200Cl14 bdie FlareX running at 3000 cause i cant 3200 (bad IMC/ or mobo issue).
Geardown mode off powerdown mode off. cmdrate 1T
So i dont know, who win in your opinion?

Thanks
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post #2 of 169 (permalink) Old 03-21-2020, 08:01 AM
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you're running a test that has huge run to run variance and you're changing one timing, if there's more than a margin of error benefit I'd eat my shoes.

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post #3 of 169 (permalink) Old 03-21-2020, 08:59 AM - Thread Starter
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Quote: Originally Posted by The Pook View Post
you're running a test that has huge run to run variance and you're changing one timing, if there's more than a margin of error benefit I'd eat my shoes.
I agree, each bench dont give exactly same results, but ive tried many bench for each TRAS and i always get lower latency with TRAS 34,
Was curious how loosen timing can bring lower latency, even if the difference is like 0.7ns.

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post #4 of 169 (permalink) Old 03-21-2020, 09:06 AM
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because:

Quote: Originally Posted by The Pook View Post
you're running a test that has huge run to run variance

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post #5 of 169 (permalink) Old 03-21-2020, 09:37 AM
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Quote: Originally Posted by Bapt33 View Post
I agree, each bench dont give exactly same results, but ive tried many bench for each TRAS and i always get lower latency with TRAS 34,
Was curious how loosen timing can bring lower latency, even if the difference is like 0.7ns.
That latency is about what i get with C-die at 3466 CL 16.

Anyway, my FlareX 3200 CL14 needs a little bit of bump in voltage to 1.36v in order to get XMP (3200 CL14) working on both my Asus B350 and X470 mobos. On an MSI A320, tho, XMP is all auto. Just set and forget at 3200 CL14 paired with an R5 1600. Actually, even the C-die and a cheap Maxun 2633 RAM from Aliexpress are set and forget with the A320.

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post #6 of 169 (permalink) Old 03-21-2020, 01:30 PM - Thread Starter
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Quote: Originally Posted by rdr09 View Post
That latency is about what i get with C-die at 3466 CL 16.

Anyway, my FlareX 3200 CL14 needs a little bit of bump in voltage to 1.36v in order to get XMP (3200 CL14) working on both my Asus B350 and X470 mobos. On an MSI A320, tho, XMP is all auto. Just set and forget at 3200 CL14 paired with an R5 1600. Actually, even the C-die and a cheap Maxun 2633 RAM from Aliexpress are set and forget with the A320.
Ive tried everything to make my FlareX run at 3200, even with overloosen timings, dram voltage 1.4v, soc until 1.1v ... Geardown mode on, set all timing manually, then all auto with DOCP, nothing worked. 3000 run nice with DOCP and many manual timings, 13 14 14 14 34 TRC 44 TRFC 288 dram voltage 1.35v and no more RAM error.

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post #7 of 169 (permalink) Old 03-21-2020, 03:18 PM
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Quote: Originally Posted by Bapt33 View Post
Ive tried everything to make my FlareX run at 3200, even with overloosen timings, dram voltage 1.4v, soc until 1.1v ... Geardown mode on, set all timing manually, then all auto with DOCP, nothing worked. 3000 run nice with DOCP and many manual timings, 13 14 14 14 34 TRC 44 TRFC 288 dram voltage 1.35v and no more RAM error.
But i'm sure you noticed that I have to oc my C-die to match your 3000 MHz speed.

It was back in Sept 2018 that Asus came out with 0902 BIOS that allowed my FlareX to set XMP 3200MHz and that was with an R5 1600 and B350F.

It could very well be your CPU. I remember, tho, a member unable to use XMP on his RAM but with the DRAM Calc was able to oc to 3466 CL 14.

If ever you upgrade to Gen 2, the 3000MHz CL14 is pretty much even with 3600 CL16. B-Die almost always gets lower latency. I set my FlareX to 3200 CL14 XMP with my R5 3600.
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Last edited by rdr09; 03-21-2020 at 03:28 PM.
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post #8 of 169 (permalink) Old 03-21-2020, 04:14 PM - Thread Starter
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Quote: Originally Posted by rdr09 View Post
But i'm sure you noticed that I have to oc my C-die to match your 3000 MHz speed.
This mean i have good result? i use safe preset from dram calculator and other on auto.
i suspect my ryzen 2600 IMC cant handle 3200mhz, anything higher dont work too.
I boot i can even have no problem for 2-3days then error came back after.
Only 3000mhz is stable with so tighten timings im near the 67ns which seems nice for 3000mhz.
I will upgrade when ryzen 4XXX came out
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post #9 of 169 (permalink) Old 03-21-2020, 04:49 PM
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Quote: Originally Posted by Bapt33 View Post
As you can see on the picture, it seems i get slightly better performance with TRAS 34 vs TRAS 28.
This OC guide suggests that if you go below tCL + tRCD(RD) + 2 for tRAS you can see lower performance so try tRAS 29
https://github.com/integralfx/MemTes...imum-frequency

Although I also doubt that AIDA64 is accurate enough to see the difference especially if your not basically running in safe mode with as few background processes as possible.
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post #10 of 169 (permalink) Old 03-22-2020, 01:41 AM - Thread Starter
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Quote: Originally Posted by Dasa View Post
This OC guide suggests that if you go below tCL + tRCD(RD) + 2 for tRAS you can see lower performance so try tRAS 29
https://github.com/integralfx/MemTes...imum-frequency

Although I also doubt that AIDA64 is accurate enough to see the difference especially if your not basically running in safe mode with as few background processes as possible.
Very useful link, thanks, this could explain.

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Last edited by Bapt33; 03-22-2020 at 09:51 AM.
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