NEW!!! DRAM Calculator for Ryzen™ 1.7.0 (overclocking DRAM on AM4) + MEMbench 0.8 (DRAM bench) - Page 673 - Overclock.net - An Overclocking Community
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NEW!!! DRAM Calculator for Ryzen™ 1.7.0 (overclocking DRAM on AM4) + MEMbench 0.8 (DRAM bench)

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post #6721 of 6765 (permalink) Old 02-14-2020, 11:49 AM
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Quote: Originally Posted by xamphear View Post
I have this same exact RAM and I couldn't get it to work on Safe or Fast either. (MSI X570 Unify board, 3950X chip) Works fine at stock or XMP, just like you. I wondered if maybe G.Skill binned the RAM so well that if it had been able to go higher, they'd have sold it as faster memory at a higher price. I gave up on it, but I'm still following this thread, so if you do manage to figure out timings that work, please post about your success.

I have a low-binned 3200mhz CL15 G.Skill TridentZ BDie kit, and for the longest time, I couldn't get it to even touch the advertised 3200mhz mark. I have a 3800X on a GB Aorus Elite X570. What I found is that if you set the maximum frequency in the DRAM Calc. (on the first page) and set it to V1 profile, and hit fast, set those timings at a lower frequency than what you've calculated, and try to boot (i.e. - 3800mhz timings set, but frequency set in bios at 3200mhz). Once I was able to boot my desired frequency with those loose timings, I was able to tighten things up. My next goal was to set my target frequency in the DRAM Calc. at 3200mhz, calculate for the Fast setting, and then slowly input those settings. This process worked for me, as opposed to inputting all the settings all at once. Seems that my memory needs to train for the frequency first before editing the timings.


Also, I'm running 4x16GB, so overclocking is far more difficult than running 2 Dimms.
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post #6722 of 6765 (permalink) Old 02-14-2020, 11:55 AM
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Quote: Originally Posted by Roboionator View Post
from calculator witch tRFC i set with or without alt?

You try the normal one first. If you have problems and things are not running stable, then you try the "alt" one. The "alt" means "alternative".
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post #6723 of 6765 (permalink) Old 02-14-2020, 08:54 PM
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I'm a little confused over my tRas timings.

Currently running 14-14-14-21-35 @ 3666MT/s but how is it possible i can run so low tRAS ? All the memory guides i read say it should be tRCD + tCL = tRAS (?)

Do i lose memory performance with these settings and should change to 14-14-14-28-42 instead ?
If i try to set tRAS lower (20) in bios it still boots at 21 timing.

Any help much appreciated
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post #6724 of 6765 (permalink) Old 02-14-2020, 09:18 PM
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Seems both give me the same same result within the margin error f
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Last edited by domdtxdissar; 02-14-2020 at 10:18 PM.
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post #6725 of 6765 (permalink) Old 02-15-2020, 01:18 AM
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Quote: Originally Posted by gerardfraser View Post
@eliwankenobi

Your ram is perfectly fine the way it is.See below and AIDA64 should be used as a guide.Not taken literal ,JMO







Dude your post are .....



I think this your best AIDA64 CL 15 3733Mhz 62.5ns

Spoiler!




Here is a CL 16 3800Mhz 62ns

Spoiler!
Did you want to write something useful?
Your post proves what?

That by having a faster CPU you got a lower latency than mine? Congrats. Run now the whole setup at 14-14-14 and see how the latency will get even lower.

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post #6726 of 6765 (permalink) Old 02-15-2020, 06:35 AM
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Quote: Originally Posted by rastaviper View Post
Did you want to write something useful?
Your post proves what?

That by having a faster CPU you got a lower latency than mine? Congrats. Run now the whole setup at 14-14-14 and see how the latency will get even lower.

Sent from my ONEPLUS A6003 using Tapatalk

Wow your on the ball ,you win LOL.
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post #6727 of 6765 (permalink) Old 02-15-2020, 08:05 AM
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Guys really curious here....what is your ram cooling setup? Im using now 3 Noctua a40x20 kind of glued to the 2 ram sticks

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post #6728 of 6765 (permalink) Old 02-15-2020, 08:57 AM
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Quote: Originally Posted by marcelo19941 View Post
Guys really curious here....what is your ram cooling setup? Im using now 3 Noctua a40x20 kind of glued to the 2 ram sticks
I am also ghetto,works awesome
Cool Your DDR 4 Ram With 80MM Fan Cabled Tied In Front Of DDR4 Ram
25 Minute StressTest On DDR4 Ram Cooled Ram 10C+
3200Mhz 1.36v 48.3C Max No Fan
3200Mhz 1.36v 37.8C Max Cooling Fan
3466Mhz 1.40v 38.5C Max Cooling Fan
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post #6729 of 6765 (permalink) Old 02-15-2020, 09:18 AM
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Quote: Originally Posted by domdtxdissar View Post
Seems both give me the same same result within the margin error f
If my memory serves me correctly ive read that if you input a tras setting that the CPU cannot 'handle' than the CPU ignores that value and uses its own lowest tras default value.


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post #6730 of 6765 (permalink) Old 02-15-2020, 10:11 AM
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Quote: Originally Posted by domdtxdissar View Post
Seems both give me the same same result within the margin error f

I don't think that is within margin of error the low setting wins every bench in your screenshot, I would keep the low setting.
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