From: already5chosen@yahoo.com   
      
   On Wed, 24 Sep 2025 15:56:37 -0400   
   George Neuner  wrote:   
      
   > On Wed, 24 Sep 2025 21:08:10 +0300, Michael S   
   >  wrote:   
   >   
   > >On Mon, 22 Sep 2025 19:36:05 GMT   
   > >MitchAlsup  wrote:   
   > >   
   > >> Big servers have rather equal power in the peripherals {DISKs,   
   > >> SSDs, and NICs} and DRAM {plus power supplies and cooling} than in   
   > >> the cores.   
   > >   
   > >   
   > >Still, CPU power often matters.   
   >   
   > Yes ... and no.   
   >   
   > 80+% of the power used by datacenters is devoted to cooling the   
   > computers - not to running them.   
      
   I think that it's less than 80%. But it does not matter and does not   
   change anything - power spent for coooling is approximately   
   proportional to power spent for runninng.   
      
   > At the same time, most of the heat   
   > generated by typical systems is due to the RAM - not the CPU(s).   
   >   
      
   I don't think that you have scientific study to support your claims.   
      
   That's before than I state the obvious - even if you were correct about   
   main RAM consuming more power than CPU (which I doubt very much), still   
   different CPUs can perform the same job with very different number of   
   main RAM accesses.   
      
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