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Code:The Intel 486, officially named i486 and also known as 80486, is a microprocessor. It is a higher-performance follow-up to the Intel 386. The i486 was introduced in 1989
There's the i486 - Intel and the Am486 - Amd
The 486 era saw both Intel and AMD producing compatible processors, with Intel’s 80486DX4 being a popular choice. AMD, however, offered competitive alternatives, including the Am486 and Am5x86