The core voltage for 7nm is 0.75V. The max over-voltage would ve 0.9V or so but the lifetime of the device will be limited to less than a year if they don't coo

The core voltage for 7nm is 0.75V. The max over-voltage would ve 0.9V or so but the lifetime of the device will be limited to less than a year if they don't cool the devices to 50-60C or so in that case. BCI aging is no joke. So I assume they are using around 0.9V and 2.2kA meaning ~2kW.