DO Stepping Xeons at the EGG

[Praz]

That' w3520 has a QPI of 6.4, 920 has 4.8, Am I missing something here? I wonder if the QPI clocks better then.

That's not what Intel says.

Intel® QPI Links Bandwidth 4.8 GT/s

http://ark.intel.com/cpu.aspx?groupId=39718