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Subject: Re: Differences between Opteron and Athlon 64

Author: K. Burcham

Date: 17:15:26 12/03/03

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the Athlon 64 FX-51 uses a 940-pin package, similar to AMD's Opteron, while the
Athlon 64 3200+ uses a 754-pin package.  The Athlon 64 FX-51 also has a memory
controller that is twice as "wide" as the 3200+; 128-bits vs. 64-bits
respectively.  The Athlon 64 FX-51 also requires registered memory to function,
whereas the Athlon 64 3200+ can use standard unbuffered DDR memory.

the FX-51 is housed is ceramic packaging material, ala the Thunderbird.  The
Athlon 64 3200+ is using organic packaging like the current generation of Athlon
XPs.


http://www.hothardware.com/hh_files/CCAM/a64fx_51_launch.shtml

kburcham



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