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When the Core 2 Duo was launched Intel didn't use the Pentium brand for it's high end product anymore. In fact; about a year after the launch of the Core 2 Duo Intel came up with the Pentium Dual-Core Exxx-series as budget CPU.

The first generation Allendale 'Pentium Dual-Core' CPU's are based on the Core 2-technology and are dual-core CPU's, have 1MB L2-cache and run at just 200MHz (QDR800) FSB. The older Pentium D CPU's are also dual-core but based on the older Netburst architecture that was used for the Pentium 4 since November 2000. > Read more

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Clocked at 2.2GHz with a fairly slow FSB of 200MHz (QDR800). With this CPU Intel created a budget line of Core 2 Duo's that would fill in the gap with the original Core 2 Duo E6xxx-series and the Pentium Dual-Core.

Due the fairly low FSB it was easier to overclock these CPU's while staying within reasonable specs. You could gain up to 3GHz with the standard 266MHz (QDR1066) bus frequency. > Read more

Just like the E4500 but clocked one step slower. Running at 1.8GHz this CPU is probably on par (in terms of performance) with the Pentium D 830 which was aging at the time. Of course the E4300 runs a lot cooler and has more overclock potential than the Pentium D. > Read more

Just like the T2310 but 266MHz faster. > Read more

Intel's mobile version of the Pentium Dual-Core, or otherwise said, Intel's budget version of the Core 2 Duo Mobile.

The Pentium Dual-Core Mobile is technically a Core 2 Duo but uses a slower FSB (QDR533 opposed to QDR667), has less L1-cache and doesn't have Speedstep functionality. The latter is used to decrease power consumption. Speedstep lowers the multiplier (and thus clock frequency) and the core voltage. > Read more

Just like the Intel Pentium Dual-Core E2140 but 200MHz faster. > Read more

In the past Intel used the name Pentium for the high-end CPU's and Celeron for the lower-end market. With the introduction of the Core 2 Duo Intel didn't use Pentium for the high-end market. After a while budget versions of the Core 2 Duo appeared with the name 'Pentium Dual-Core' which is like this CPU .

Basically it's just a Core 2 Duo with less L2-cache, slower front-side-bus (FSB), no Virtualization Technology nor Intel Speedstep for energy saving. > Read more