It stems from the Intel 8086 (x86) architecture in the IBM PC in 1981. Following is a brief history of PC CPUs, starting with the most current. Starting in 1994, AMD introduced its first Pentium ...

"[The Pentium FDIV flaw] happened after so many ... under the slightly unwieldy moniker "second-generation Intel Core i3, i5, i7 processors" rather than invoke a name widely associated with ...