What is the equivalent of intelcore 2 duo E4300 1.8ghz?

Is intelcore 2 duo E4300 1.8ghz faster than pentium IV 4.0 ghz?
what is the single core equivalent(eg. PIV 3.8 ghz ...) of intelcore 2 duo E4300 1.8ghz? Tnx

Answers:
In terms of processing power the Intel Core 2 Duo E4300 1.8ghz processor will actually handle applications faster than the Pentium 4 3.8ghz in that regardless of the fact that the Pentium 4 is running at slightly more than double the clock speed, it can still only handle 1 processor instruction per clock cycle, where the Dual Core will handle 2 instructions in the same clock cycle. Also processor speed is not the only consideration of the speed of a system, any system is only as fast as it's slowest rated component. The Pentium 4 is only rated at an 800mhz front side bus, the E4300 dual core is rated at 1066mhz front side bus, thus communications through the front side bus will also speed up programs running when communicating with other components installed in your machine.

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