The Intel 486, officially named i486 and also known as 80486, is a microprocessor introduced in 1989. It is a higher-performance follow-up to the Intel 386. It represents the fourth generation of binary compatible CPUs following the 8086 of 1978, the Intel 80286 of 1982, and 1985's i386.

Intel released the i486 (also known as the 486 or 80486), the first x86 processor with more than 1-million transistors. The 486 would continue to be Intel's primary x86 processor until the introduction of Pentium in 1993.

2025年3月10日 · Intel 80486 microprocessor was produced at speeds up to 100 MHz. AMD produced even faster 120 and 133 MHz versions of the 80486, and manufactured in small quantities 150 MHz and possibly 166 MHz versions.

2025年3月21日 · Intel codenamed its 486 successor the P5, and when it released it, Intel gave it the brand name of Pentium. The name invoked the number five, but was completely trademarkable, unlike the number 586. Other companies …

2024年4月3日 · The 486SX, released about a month later, allowed Intel to compete with the new AMD chip without lowering the price of its higher end 486 CPUs. Intel charged about $250 for a 486SX, vs $750 for some of its 486DX models.

4.1 The Intel i486 Microprocessor (CPU) The Intel 80486 microprocessor (also referred to as 486) uses 32-bit architecture. It contains on-chip memory management, on-chip floating point, and cache memory units. Some features of the 486 are: * 100% binary compatible with the i386 microprocessor; contains several features and

2008年8月4日 · The 486 is emblematic of a certain generation who were first discovering computers. In fact, the very famous 486 DX2/66 was long considered the minimum configuration for gamers.

2021年4月9日 · Recalling the mighty Intel 486 CPU which made the PC the ultimate powerhouse and launched with an undeniable advantage in performance.

2023年12月10日 · A computer processor developed by Intel as an upgrade to the 386 processor series and commonly called the 486 or i486. The 80486 has 8 k of memory cache built into the processor with 32-bit data bus architecture and was available in clock rates ranging from 20 MHz to …

Intel 486 <processor> (Or "i486", "iAPX 80486", and "Intel DX4" but usually just "486"). A range of Intel CISC microprocessors which is part of the Intel 80x86 family of processors. The 486s are very similar to their immediate predecessor, the Intel 80386DX.