NEC V20
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The NEC V20 was a processor made by NEC that featured approximately 29,000 transistors. It was a reversed-engineered version of an Intel 8088 processor (code compatible with the Intel 80186) that ran at 8 to 10 megahertz. The design was more efficient than the 8088 and caused the V20 to run 30% faster. The main feature that made it run faster was that it had hardware for multiplication, whereas the Intel chips had to do multiplication in microcode software. It was used in "turbo" versions of some PC clones such as Copam.