Is Centrino Equivalent to P4 3.0+

Why is Centrino said to be equivalent to P4 3.0+

The Centrino 1.6 GHz is anything but close to the P4 3.0 GHz HT desktop processor.In fact,the Centrino processor's change in core makes it more powerful then the older Pentium 4-M processor both in terms of power consumption and work per clock cycle.It will serve you fine but not for too long.The gaming laptops come for Alienware systems,and even those are upgradeable