New Silicon Insider Article

Article: Escape From the Planet of x86
By: Alberto (Albertobu.delete@this.libero.it), June 18, 2003 4:24 pm
Room: Moderated Discussions
Tvar' (unununium@hotmail.com) on 6/18/03 wrote:
---------------------------
>>Ummm Leakage is Vdd*Istop so
>>
>>Cache leakage 4.55*1.1/1.3=3.8W
>>Core leakage 18.2*1.1/1.3=15.4W
>>
>>so total is 85.4W max power or around 60W TDP ;)
>>like 2.66Ghz P4..............
>>
>>Alberto.
>
>Ok, leakage power is proportional to vcc, but where are you getting your max power
>=> TDP calculation. Itanium is not P4, I'm not sure the relationships are the
>same between TDP and Max power. Also, are you sure the 130 W is max power? On
>the pdf, Intel calls it the 'Thermal Envelope' which sounds more like TDP than max power to me.

No i think that, in a server cpu, thermal envelope
is "near" to max power, for obvious reason, but......
in these calculation what is the influence of cache
power (dinamic)? What is the reduction in power of
3MB L3???? Top Secret for two weeks.

Bye.
Alberto.
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