Alberto (git.delete@this.git.it) on August 17, 2018 1:52 am wrote:
> Adrian (a.delete@this.acm.org) on August 16, 2018 11:56 pm wrote:
> > AM (myname4rwt.delete@this.jee-male.com) on August 16, 2018 9:32 am wrote:
> > > https://www.arm.com/company/news/2018/08/accelerating-mobile-and-laptop-performance
> > >
> > > AT provides a bit of analysis in their article.
> >
> >
> >
> > ARM claimed that Cortex-A76 has the same single-thread performance as a Kaby
> > Lake i5-7300U, while consuming only 5 W versus the 15 W TDP of Kaby Lake.
> >
> >
> > This implies a triple performance per watt, which is a false claim.
> >
> >
> > All the Intel computers that I have ever tested cannot reach their TDP with a single
> > active core. Normally you need at least 2 active cores to be able to reach the TDP.
> >
> >
> > I have tested 3 Kaby Lake i5-7300U. On all of them, a single active core, while running a power
> > virus and staying 100% of the time at 3.5 GHz, its maximum turbo speed, consumed about 10 W.
> >
> >
> > So the real ARM claim is double performance per watt compared to Kaby Lake, which means something like
> > 80% better performance per watt than Coffee Lake and certainly less than that, probably 50% to 70%
> > better than the Whiskey Lake & Amber Lake, which will be the direct competitors of Cortex-A76.
> >
> >
> > Of course, even only 50% better performance per watt than the best Intel
> > is very impressive, but it is very far from triple performance per watt.
> >
> >
> >
>
> ARM always was misleading.
> If you look at power draw of many very recent phone SOCs under load, the power consumption go in the 11/15w range
> toasting your phone. The power management trunch the clock speed very fast to not destroy the device.
> Their TDP is under severe throttling more like do Core M with 4.5w TDP.
>
> So their less 5W has zero relevance at it is marketing to hide their failure in discrete Modem arena.
>

My mistake.
Obviously i pointed at Qualcomm because it will be the major user of this new line of ARM cores in Pc space.
ARM is not involved in Modem development.