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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 215.18-2.1%Dec 2 3:59 PM EST

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To: Joe NYC who wrote (86102)7/31/2002 3:18:36 AM
From: PetzRead Replies (1) of 275872
 
<Not including Xbox, Intel held a market share of 81.7 percent, and AMD had a market share of 16.5 percent.
news.com.com >

Its important to keep in mind that the Mercury Research numbers are based on CPU sales, not on PC sales. The numbers do let us figure out Intels CPU numbers however.

I made a little spreadsheet which searched for the values of
A=AMD CPUs
I=Intel CPUs excluding XBOX
X=XBOX CPUs
O=other CPUs

which match the "market share" percentages from Mercury Research. The market share numbers given say that
A/(A+I+X+O) = 0.156 +- 0.0005
A/(A+I+O) = 0.165 +- 0.0005
I/(A+I+O) = 0.817 +- 0.0005
(I+X)/(A+I+X+O) = 0.828 +- 0.0005

The best solution with "simple" numbers is
A=6.1 million CPUs
I=30.2 million CPUs (non XBOX)
X=2.25 million XBOX CPUs
O=0.65 million CPUs

The calculated ratios become 0.1556, 0.1651, 0.8173, 0.8278
These all round off nicely to the same exact numbers as the Mercury Research market shares.

If you use the criterion that the Mercury Research numbers must all be within 0.05%, i.e., the numbers given in the article are rounded to the nearest 0.1%, then
AMD CPUs are between 6 and 6.21 million
Intel (excluding XBOX) CPUs are between 29.7 and 30.7 million
XBOX CPUs are between 2.2 and 2.35 million
OTHER CPUs are between 0.64 and 0.67 million

Petz
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