this post was submitted on 07 Aug 2023
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r/overclocking - for those who like to push their chips a little harder

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Linpack errors on stock CPU (zerobytes.monster)
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The original was posted on /r/overclocking by /u/ZeppyDoodle on 2023-08-07 06:42:15+00:00.

(AM5, DDR5) Just found out on my memory OC journey that Linpack may be sensitive about Ryzen memory controller.

I got my sticks to run at 6200MHz, passed 10k% Karhu RAM test and passed TestMem5 with antu777 preset. Then I ran Linpack which uses memory a lot but mainly hits CPU and it failed! Fml.

No matter what timings and voltages I had, 6200 just failed Linpack every time and 6000 did not. Karhu and TestMem did not find any problems in both cases so RAM itself is ok? So maybe the memory controller sucks at 6200 under stress? CPU 7700X is stock.

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