pHaestus,
Been thinking about the clampmeter setup. Regardless of how accurate the power consumption of the CPU is known, there is still the issue of the leakage heat.
Do you still have the Swiftech chiller?
Ideal would probably be to control the chiller such that the averarg dT between CPU substrate and mobo was held at zero. (Not difficult or expensive, but time consuming to build such a controller.)
Alternatively, operating the chiller at different voltages would allow the leakage path(s) to be characterized to some extent.
Anyway, if you want me to place a bid on a clampmeter, let me know.
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