When did AMD start making clones of Intel chips? What was the first chip they cloned?
closed as not constructive by studiohack♦ Apr 16 '11 at 8:50
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From the wikipedia article:
The first computer my family owned, purchased in 1992, contained an AMD 386 processor.
Though not an answer, a couple minor things people may find interesting.
Intel came out with the 486, called it the i486 (for Intel obviously). They tried to trademark it, the judge threw it out. Just 26 companies could trademark the whole language (same reasoning when Zilog tried to trademark Z80). They learned they needed a name, and came out with Pentium(TM).
The licensing agreement actually helped Intel once 64 bit extensions came out. They put their bets on Itanium. AMD came out with AMD64 extensions and cleaned up in the market. Eventually Intel saw the handwriting on the wall and copied the extensions as EM64T. They could because of the original licensing agreement.
The most advanced Pentium class processor design probably was Cyrix 5x86. It bridged the gap by dividing CISC instructions into microops that were more RISC like and easier to process. The new processors now all do this, and the newest chips not only decode to microops, but they cache the microops and not the x86 instructions anymore.