I don't know about the internal contstruction differences, but the official difference is that the MP is designed to be used in a multi-CPU configuration. I think that was your question.
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Athlon 1800+ XP
512M DDR PC2100
Radeon 8500
Gigabyte 7VTXH
AOC 9KLR 19" flat face
Plextor 24x10x40 CD-RW
40GB 5400 rpm WD H.D.
Antec case w/400W P.S.
Looking for sound card&speakers....
AMD Athlon 1800+ XP
512MB Samsung DDR PC2100
Radeon 8500 (Stupid crappy LE, doh!)
Gigabyte 7VTXH
AOC 9KLR 19" flat face
Plextor 24x10x40 CD-RW
ASUS 16xDVD 48xCD-ROM
40GB 5400 rpm WD H.D.
Antec SX1240 case w/400W P.S.
Sound Blaster Audigy Platinum
Logitech Z-560's
Originally posted by lightbulb8817: What is the difference between Athlon XP and Athlon MP?
They are the same CPU...except the MP's are certified for use on MP systems.
There's been rumor that the Mps are the best of the XP procs and thus they certify them for MP use.