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justinplouffe | 4 years ago

I embarrassed myself recently by trying to get the performance of my AMD Zen 3 CPU beyond what precision boost overdrive and the default XMP profile of my memory were able to achieve. The single threaded performance never came close to it with the kind of old school static overclock + overvolt I was running with my previous Skylake Intel chip.

I did end up getting some promising results by using the curve optimizer feature of PBO which allows you to change the voltage/clock curve on a per-core basis but while it was stable at higher clocks, it did have some trouble while idling or performing some tasks that weren't running the CPU 100%. I had to admit that I was doing all of this more for the excitement of seeing high numbers and not for the actual practical benefits. Testing for stability with non-demanding tasks just wasn't exciting enough to justify continuing.

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