Core 2 Duo E6420, E6320 and E4400 Plus Another 15 Sub-$200 Dual-Core Processors
http://www.xbitlabs.com/articles/cpu...-e6420_11.html
E6420@3.75ghz
E6320@3.25ghz
E4400@3.2ghz (allendale)

viac v tom clanku...
Je tam pekna tabulka vplyv cache 2vs4mb. V niektorych hrach a aplikaciach to dava od 8 az do 28% vykonu navyse.
http://www.xbitlabs.com/articles/cpu...o-e6420_3.html