Shrinks and power density

By: AM (myname4rwt.delete@this.jee-male.com), August 19, 2018 8:12 am
Room: Moderated Discussions
David Hess (davidwhess.delete@this.gmail.com) on August 18, 2018 1:30 pm wrote:
> AM (myname4rwt.delete@this.jee-male.com) on August 14, 2018 8:49 am wrote:
> >
> > Now, I'm not saying at all that power density is the main, much less the only, determining
> > factor here, but I do suspect Intel is seriously hitting that very limit again with their
> > Core lineage -- when 14nm debuted, they couldn't supply anything but ~1GHz base 4.5W SKUs
> > for two quarters straight. And even those SKUs were not months, but quarters late.
>
> Intel hit the power/area limit many generations ago not long after the Pentium 4. Plot the power
> versus area for the highest power grade of each processor type and it is roughly constant highlighting
> the importance of only including microarchitecture features which improve performance/power.

But I really don't recall a launch as bad as 14nm before it with the exception of Prescott (and it was months, not quarters, late).
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        Shrinks and power densityAM2018/08/14 08:49 AM
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