http://www.tomshardware.com/news/Xeon-westmere-EX-Nehalem-EX-10-cores-160-threads,12230.html

20 threads per cpu, not bad, too bad there was a sparc t3 that has 16 cores, 8 threads per core for a total of 128 threads per cpu:

http://en.wikipedia.org/wiki/SPARC_T3

but why nit pick?