Originally posted by Pike
That document is inaccurate due to NDA restrictions. Also. Intel calls it: "Integrated VR Technology" and it is an array of mini VR's (power cells). Not just one thing but a bunch of them. Helping them to get this low 2mV ripple (max).
They posted a slide from Intel, shown during the Intel Developer Forum, that clearly says they have on-chip voltage regulation. Call it what you want, but there is voltage regulation being done on chip, and that is likely going to contribute to chip heating.
A better discussion would be - how is the on-chip voltage regulation going to affect overclocking. Since you will be feeding the chip a single voltage which will be split up on-chip, is it best to provide the lowest input voltage possible? Or the highest? Or some factor of the Vcore you want. Which method os going to generate the least heat on-chip, and will it make any difference to Vcore required or stability. Those are the kinds of questions I'm interested in, with the new change to on-chip voltage regulation.