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Politics : Formerly About Advanced Micro Devices
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To: Baoho Chang who wrote (3706)12/9/1996 1:14:00 PM
From: Brian Hutcheson   of 1581515
 
Baoho , agree with most of what you posted re cpu speed increases dependent on memory speed , one thing you overlooked though . The speed increase from 486 to Pentium was achieved using the same 60-70nsec Dram . Why the doubling in speed at same clock speed? Because 486 read 4 bytes from memory in parallel and the Pentium read 8 bytes (64 bit) ,that is also why DEC's Alpha is faster it is 128 bit or 16 bytes at a time . regards
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