Friday, September 2nd 2022

AMD Ryzen 7000 Undervolting Yields Great Results with Temperatures

AMD Ryzen 7000 "Zen 4" processors can hit up to 95 °C at stock settings, with cooling most appropriate to the TDP level. This is because the PPT (package power tracking) limits for the 170 W TDP processors is as high as 230 W, and for the 105 W TDP models, it's 130 W. After reaching this temperature threshold, the processor begins to downclock itself to lower temperatures. Harukaze5719 discovered that higher than needed core voltages could be at play, and manually undervolting the processors could free up significant thermal headroom, letting the processors hold on to higher boost multipliers better.
Source: harukaze5719 (Twitter)
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101 Comments on AMD Ryzen 7000 Undervolting Yields Great Results with Temperatures

#101
Berfs1
BRNNNOkay okay, I'll ask you, where is the logic in selling you unlocked processors at different prices? Exactly the same processors at a different price?
You have to see this, and everything will be clear to you. Check out AMD fx-8370, fx-8350, fx-8320 at Cpu World. "Boosted p States", "Low power P states". After that, look for the fx-8370E. Same processor but TDP 95Watt vs 125Watt. Anyone who doesn't understand what this is about is crazy :)
Um... they aren't the same CPU. AMD bins the chips at a certain frequency, and if the CPU can't hit that frequency on all 16 cores, but for example it can do 12 at that frequency, it becomes a 7900X. Or maybe there are some defective cores, so they spec those accordingly too.
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