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AYDANN6ix9ine

How to OC memory for Ryzen

You're gonna want that 3200 over the 2933 at those timings.  And yes, you'll need to expect to higher voltages for higher speeds and or tighter timings.  Have you tried the 1usmus DRAM Calculator yet?

 

https://www.overclock.net/forum/13-amd-general/1640919-dram-calculator-ryzena-1-4-0-1-overclocking-dram-am4-307.html

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Posted · Original PosterOP

So I want to optimize my Ryzen CPU by overclocking memory and I want to know how should I OC the memory. My original kit is a dual channel of kit of 3000mhz running at CAS latency 16 and 16-18-18-38 timings. I did OC the memory to 3200mhz and thought that that was good but upon further research, I realized that latency and timings is what really matters. So which would run better, the RAM at 3200mhz with the timings listed above or RAM at 2933mhz with timings latency like 15 and timings of 15-17-17-37? Would it be possible to push CAS Latency of 14 or that would be too much of an overclock? Also, would I have to increase voltage significantly to lower timings?

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3200 CL 16 is faster than 2933 CL 15, here's a basic calculator for ya https://notkyon.moe/ram-latency.htm


i5 6600k i7 7700k @ 4.8 GHz | Phanteks PH-TC14PE | Asus Z170-A | G.Skill Ripjaws V 2x8GB ddr4-3000 | Samsung 950 pro nvme | EVGA Supernova B2 850W | Phanteks Enthoo Pro

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As far as I know, ryzen profits the most from increasing the frequency since the speed of the infinity fabric is related to it.

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Posted · Best Answer

You're gonna want that 3200 over the 2933 at those timings.  And yes, you'll need to expect to higher voltages for higher speeds and or tighter timings.  Have you tried the 1usmus DRAM Calculator yet?

 

https://www.overclock.net/forum/13-amd-general/1640919-dram-calculator-ryzena-1-4-0-1-overclocking-dram-am4-307.html


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2 minutes ago, AYDANN6ix9ine said:

Also, what if I run lower timings with 3200mhz? 

Yes, more voltage.  If you're running a Hynix kit then you won't get much more in the timing department, but you might get yourself up to 3400MHz.  


AMD Ryzen 2700X  |  Fractal Design S36 360 AIO w/6 Corsair SP120L fans  |  Asus Crosshair VII WiFi X470  | G.SKILL TridentZ 3636MHz 14-15-14-28 2x8GB  | EVGA 1070 Ti SC GAMING ACX 3.0 Black  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3  | Thermaltake Core P3 Case 

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1 minute ago, AYDANN6ix9ine said:

Also, what if I run lower timings with 3200mhz? 

if timings kept the same and you raise the MHz ram gets faster, if MHz kept the same and you lower timings ram gets faster. 


i5 6600k i7 7700k @ 4.8 GHz | Phanteks PH-TC14PE | Asus Z170-A | G.Skill Ripjaws V 2x8GB ddr4-3000 | Samsung 950 pro nvme | EVGA Supernova B2 850W | Phanteks Enthoo Pro

HTPC i3 7300 | Gigabyte GA-B250M-DS3H | cheap ram | Adata XPG SX8000 128GB M.2 | XFX Radeon HD 6850 | Rosewill FBM-01 | Corsair CXM 450W

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