"In Gartner's assessment of the server market in the fourth
quarter of 2009, X64 servers and blades in particular were singled
out as the growth engines. With IDC's similar, but different,
report Thursday we learn that the Windows platform was the real
beneficiary of the bump in sales.
"IDC tracks factory revenues by the server manufacturers, while
Gartner tracks revenues that add vendor and reseller sales
together. So their numbers are never quite the same. But they are
similar, and they track. Gartner talks about sales by X64, RISC,
and Itanium processors, while IDC looks at server sales by the
primary operating system deployed on the boxes.
"IDC also gives a breakdown of sales by server price band
(volume, midrange, and enterprise), and talks a bit about the X64
market and blades. By using both sets of publicly available data,
you get the best sense of what is going on with servers short of
paying Gartner and IDC the big bucks the vendor community