Different Processor Series or whatever

[circa313]

I was looking on newegg.com and was lookin at processors and seeing all of these series or whatever i know what most of them are but could someone please tell me which ones are are dual core.

1 - Celeron D
2 - Celeron M
3 - Core Duo
4 - Pentium 4
5 - Pentium D
6 - Pentium Extreme Edition
7 - Pentium M
8 - Xeon

 

[apj101]

3 - Core Duo

5 - Pentium D
(budget dual cores are availble in this series)
6 - Pentium Extreme Edition
(not to be confused with pentium 4 extreme editions which is single core)

8 - Xeon
can be both dual and single core depending on the model