[mythtv-users] Slightly OT - AMD CPU Efficiency Compared - Tom's Hardware

Josh White jaw1959 at gmail.com
Wed Jan 30 19:03:15 UTC 2008


you should expect a higher percentage gain from Intel, since they went from
being the less efficient, slower processor to the more efficient, faster
processor.  Intel simply had more wrong with their old design than AMD.

On Jan 30, 2008 2:00 PM, John Drescher <drescherjm at gmail.com> wrote:

> > "While the comparison of different Intel processor generations
> > revealed performance per watt improvements of over 400% if you compare
> > the a 3 GHz Pentium 4 630 and a 3 GHz Core 2 Duo E6850, AMD only
> > managed to improve its performance per watt ratio by less than 60%
> > (Phenom quad core compared to the Sempron single core). The
> > performance per watt results will be more impressive if you run
> > intensive workloads; thread-optimized applications will benefit even
> > more from multiple cores."
> >
> There is a very good reason for the 400% improvement from the P4 and
> core2. The P4 was a horribly inefficient design that sacrificed
> performance to get the highest clock speed it could at the time of
> production because most consumers believed this was the only true
> measure of performance.
>
> John
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