Difference between ia64 and x64

According to this page: IA64 refers to the 64 bit Itanium architecture while x64 is the 64 bit extension to the x86 architecture. The IA64 is exclusive to Intel while x64 is used by all. IA64 was intended for high-end server applications while x64 was initially intended for desktops but were scaled up. IA64 systems are not able to run old x86 applications while most x64 systems are. IA64 is very slow to adopt new computer technologies while x64 is very fast. IA64 would no longer be supported by…