so investigating this chip a little more.

as you can see I'm borderline temp/overheating fixed @ 4.1 @1.25v fyi cb brings chip to about 70c and prime brings the noise @ 96c

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then I checked what volts amd is using 1.3 for 4124

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then I checked single core volts and its a whopping 1.475 for 4349 single core

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the only real win here is I can do 4.1 @ less volts and score better in cb somehow with a fixed lower clock.