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In 2010, Intel will launch its successor to existing Atom CPU codenamed Medfield. Medfield is probably going to end up manufactured in 32nm process, integrating one or two CPU cores, integrated graphics and I/O controller hub [Northbridge].

There are going to be two versions of Medfield, one intended for netbooks, and one intended for smartbooks/smartphones i.e. MIDs [Mobile Internet Devices]. But what is interesting is development of Tunnel Creek, a "preview for Medfield". Tunnel Creek is a 45nm CPU targeting a TDP of mere 3W. What makes Tunnel Creek unique is the fact that the processor will use PCI Express to link itself to the Southbridge e.g. use a industry standard bus, instead of propriatary one..