The Intel Multiple-Core CPU and its Frequency

* Pentium D are all [Dual-Core], (2666 ~ 3200)(2800 ~ 3600)

* Pentium EE [Dual-Core] (3200, 3466 ~ 3724)

* Pentium Dual Core (1600 ~ 1800)

* Core 2 Duo are all [Dual-Core], 1800 ~ 3000

* Core 2 Extreme [Dual-Core] (2933)
                 [Quad-Core] (2666 ~ 3000)

* Core 2 Quad [Quad-Core] 2400