Here is a snippet: "Core Duo (formerly known by its codename, Yonah) is the first dual-core Intel CPU targeted to the mobile market, i.e. inside it there are two complete CPUs. Curiously it is also the first Intel processor to be adopted by Apple Computer. In this tutorial we will present the main features of Core Duo and a table with all models released to date."
Check it out over at Hardware Secrets.