"#1 spot in the two-processor TPC-C performance benchmark"
There is a catch that was not explained well on the blog, DL385 G7 was indeed the #1 TPC-C, but only within two socket machines... There is a link to another blog on the right corner that explains where the blogger got the information about this benchmark in the first place:
http://h30507.www3.hp.com/t5/Reality-Check-Server-Insights/TOP-RATED-HP-s-ProLiant-DL385-G7-with-New-AMD-Opteron-6200/bc-p/105261#M557