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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 253.73+1.6%Jan 22 3:59 PM EST
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To: Ali Chen who wrote (5523)8/18/2000 2:04:20 AM
From: BilowRead Replies (1) of 275872
 
Hi Ali Chen; Thanks for the posts on the power consumption of AMD and Intel processors, I was unaware that the power consumption figures were so close (i.e. 30%). That makes it pretty easy to figure out the respective difficulties in the cooling requirements:

      AMD Intel
Tj     90   62 (Degrees C)
Tamb   24   24 (i.e. 75 degrees F)
       --   --
Tdiff  66   38

Power  65   50 (Watts, my guess here, but ratio is 30%.)
TR   1.01  .76 (Thermal resistance of heat sink.)


In other words, the Intel machines require 25% better heat sinks. To get back to heat sink parity (and therefore, in some way, overclocking equality), Intel needs to get their Tj back to around 75 degrees C.)

-- Carl
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