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Advanced ram timing?


bonami2
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Hello am wondering if i got scammed somewhat by OLOY ram those are the timing at 3600mhz

@ 1801 MHz    14-14-14-34  (CL-RCD-RP-RAS) / 85-631-469-289-11-5-75  (RC-RFC1-RFC2-RFC4-RRDL-RRDS-FAW)

 

 

Anyways to compare them to high end stick from corsair and gskill?

 

12700k at stock xmp enable and power limit removed

 

 

 

 

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MOTHERBOARD: MSI MPG Z790i EDGE
CPU: Intel 13900k + Top Mounted 280mm Aio
RAM: 2x24gb Gskill 6400 cl36-48-48 1.4v
PSU: Cooler Master V850 SFX Gold White Edition
GPU: UHD ULTRA EXTREME BANANA GRAPHIC
MONITOR: [Monitor] LG CX48 OLED [VR] Samsung HMD Odyssey Plus OLED + Meta Quest 2 120hz
CASE: CoolerMaster NR200P White Mini ITX
SSD/NVME: 2TB Intel 660p 1tb sn850 1tb sn770
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RAM: MSI GT60 Dominator 870m 4800MQ
GPU: Alienware M11x R2 i7 640um Nvidia 335m 8gb Ram
MONITOR: Lenovo X270 1080p i7 7600u 16gb ram
SSD/NVME: Acer Chromebook 11.6
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CPU: Ryzen 5560u
MOTHERBOARD: Beelink SER5 Mini PC Box
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HDD: 8TB + 4TB HDD + 2 x Intel DC S3500 800GB
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My GSkill kit of 3600 has a TRC of 88.  I recall seeing a couple other of the sub timings well over 100 as well.  Sorry, I'd have to reboot to check for sure, but TRC is definitely 88 on mine.  Your bandwidth and speed seem to be on par (actually you're beating my sig rig).  OLOY just takes IC's from Micron, Samsung, or Hynix and just puts their name on the heatspreaders.  It's the same RAM as any other brand with those IC's.  GSkill doesn't make RAM either, they assemble RAM.  Same thing OLOY does.  The biggest difference SHOULD be warranty / support and looks.

Now, back in the DDR1 days there was a formula you could follow.  IIRC TRC = RAS+RP / TRFC = TRC + RCD, or something along those lines.  Was the same formula for DDR2, and I thought DDR3 too.  DDR4 seems to have significantly looser sub timings.  Anyway, what I'm getting at here is that those formula's don't seem to work with DDR4.  I'm sure somebody has written up proper formulas to calculate DDR4 sub timings, but alas, I don't know them.

Edited by pioneerisloud
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RAM: G.Skill Flare X DDR5-6000
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12 hours ago, pioneerisloud said:

My GSkill kit of 3600 has a TRC of 88.  I recall seeing a couple other of the sub timings well over 100 as well.  Sorry, I'd have to reboot to check for sure, but TRC is definitely 88 on mine.  Your bandwidth and speed seem to be on par (actually you're beating my sig rig).  OLOY just takes IC's from Micron, Samsung, or Hynix and just puts their name on the heatspreaders.  It's the same RAM as any other brand with those IC's.  GSkill doesn't make RAM either, they assemble RAM.  Same thing OLOY does.  The biggest difference SHOULD be warranty / support and looks.

Now, back in the DDR1 days there was a formula you could follow.  IIRC TRC = RAS+RP / TRFC = TRC + RCD, or something along those lines.  Was the same formula for DDR2, and I thought DDR3 too.  DDR4 seems to have significantly looser sub timings.  Anyway, what I'm getting at here is that those formula's don't seem to work with DDR4.  I'm sure somebody has written up proper formulas to calculate DDR4 sub timings, but alas, I don't know them.

 

 

Got a lot of reading to do on those timing setting and tweak.

 

Happy to hear my result are as good as your!

 

Yea i know about ram chip only crucial  is owned by Micron all the other just buy them from random manufacturer.

 

I saw a post on oloy mobile ram performing worse than higher timing corsair and kingston ram the oloy subtiming was so high that cl21 ram was faster than oloy cl18 with same clock.

 

I wonder if 3800 c14 would work in gear 1.

Need to read more on gear 1 and 2 and voltage for ddr4.

 

Ram run at 50c already.

 

😁

Edited by bonami2

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MOTHERBOARD: MSI MPG Z790i EDGE
CPU: Intel 13900k + Top Mounted 280mm Aio
RAM: 2x24gb Gskill 6400 cl36-48-48 1.4v
PSU: Cooler Master V850 SFX Gold White Edition
GPU: UHD ULTRA EXTREME BANANA GRAPHIC
MONITOR: [Monitor] LG CX48 OLED [VR] Samsung HMD Odyssey Plus OLED + Meta Quest 2 120hz
CASE: CoolerMaster NR200P White Mini ITX
SSD/NVME: 2TB Intel 660p 1tb sn850 1tb sn770
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CPU: Asus Strix G15 AE 6800m 5900hx 32gb ram 1440p
RAM: MSI GT60 Dominator 870m 4800MQ
GPU: Alienware M11x R2 i7 640um Nvidia 335m 8gb Ram
MONITOR: Lenovo X270 1080p i7 7600u 16gb ram
SSD/NVME: Acer Chromebook 11.6
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CPU: Ryzen 5560u
MOTHERBOARD: Beelink SER5 Mini PC Box
RAM: 2x32gb Sodimm
CASE: Jonsbo N1 Mini ITX
HDD: 8TB + 4TB HDD + 2 x Intel DC S3500 800GB
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