Back in those days, Intel simply did not care one iota about power consumption. The P4 processors were absolute power hogs, and all Intel did was brag about how great their memory bandwidth to the RAMBUS memory was.
The last Pentium 4 was released in 2008; the Xeon E5-2667 v2 parts discussed in the article were released in 2013, years after Intel abandoned their Netburst approach.
