x86-64
IA64
IA64
IA64
Macintosh's processor (produce by Intel) are the most common use RISC technology.
IA64 they are also called x64 processors.
IA64
extended memory 64 technology or EM64T
(EM64T) or Extended Memory 64 Technology
The specifications of the Intel Core 2 Duo processors are Intel dual-core technology, Enhanced Intel SpeedStep, Execute Disable Bit, and Intel 64 architecture. Intel Core 2 Extreme processors are similar but have Intel Virtualization Technology in place of dual-core technology.
Xeon (according to Wikipedia)
AMD and Intel are in a cutting throat competition.
Both. The Intel Core Duo was a 32-bit dual-core processor. The Intel Core 2 Duo is a 64-bit processor.