It's already a bit outdated (10 days) but I have not read it here this clearly:
source: http://yahoo.reuters.com/news/articlehybrid.aspx?storyID=urn:newsml:reuters.com:20070110:MTFH36379_2007-01-10_09-19-12_FAB012644&type=comktNews&rpc=44
FRANKFURT, Jan 10 (Reuters) - Intel (INTC.O: Quote, Profile , Research), the world's biggest chipmaker, will supply the central processing unit (CPU) for Apple's (AAPL.O: Quote, Profile , Research) new iPhone, a spokesman for Apple Germany said on Wednesday.
"The processor is from Intel," the spokesman said.
source: http://yahoo.reuters.com/news/articlehybrid.aspx?storyID=urn:newsml:reuters.com:20070110:MTFH36379_2007-01-10_09-19-12_FAB012644&type=comktNews&rpc=44