The 486DX is a microprocessor developed by Intel and released in 1989. It is part of the Intel 80486 family and features a 32-bit architecture, which allows it to process data more efficiently than its predecessors. The 486DX includes an integrated floating-point unit, enhancing its performance for mathematical calculations and graphics processing. Operating at clock speeds ranging from 20 to 100 MHz, the 486DX was widely used in personal computers during the early 1990s. It supported various operating systems, including MS-DOS and early versions of Windows, making it a popular choice for both home and business applications.