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To: Jim McMannis who wrote (127519)2/16/2001 1:02:56 PM
From: Ali Chen  Read Replies (1) | Respond to of 186894
 
"Why is this a problem if Intel can get the desired Mhz out of a chip tested at 72C?"

Because these "MHz" are likely some fake MHz since
no one has managed to report the state of the P4
Thermal Monitor during normal P4 operations.

See my response:
Message 15364978



To: Jim McMannis who wrote (127519)2/16/2001 1:10:04 PM
From: Scumbria  Read Replies (2) | Respond to of 186894
 
Jim,

Semiconductors show a relationship between frequency and temperature, where the higher the temperature the lower the speed.

At 95C, parts are typically 20-30% slower than they are at 72C. This would indicate that the real speed of P4 is probably closer to 1.2GHz.

Kryotech uses this principle to make very fast Athlon systems, but AMD doesn't go around claiming that they are shipping 1.5GHz parts.

Scumbria


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