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To: wanna_bmw who wrote (158711)2/14/2002 5:52:31 AM
From: Dan3  Read Replies (3) | Respond to of 186894
 
Re: Are you telling me that the Athlon MP is on a different process than the Athlon XP?

It doesn't need one. P4 does. Intel's .13 process, at least the only "versions" for which there are data, leaks a lot. That means that it slowing down the clock doesn't save much power. Lowering the voltage does, but you can do that with the desktop parts. So speedstep helps much less than it did with the old process (and speedstep is what you are paying for in the mobile parts).

AMD's process (like Intel's old process) has very low leakage when the transistors are "off." That means that a feature like PowerNow or Speedstep II that dynamically varies the clock speed of the chip can save significant power.