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The 8086 [3] (also called iAPX 86) [4] is a 16-bit microprocessor chip designed by Intel between early 1976 and June 8, 1978, when it was released. The Intel 8088, released July 1, 1979, [5] is a slightly modified chip with an external 8-bit data bus (allowing the use of cheaper and fewer supporting ICs), [note 1] and is notable as the processor used in the original IBM PC design.
The following is a partial list of Intel CPU microarchitectures. The list is incomplete, additional details can be found in Intel's tick–tock model, process–architecture–optimization model and Template:Intel processor roadmap.
Intel 7, 14 nm, 22 nm, 32 nm, 45 nm, 65 nm 2.9 W – 73 W 1 or 2, 2 /w hyperthreading 800 MHz, 1066 MHz, 2.5GT/s, 5 GT/s 64 KiB per core 2x256 KiB – 2 MiB 0 KiB – 3 MiB Intel Core: Txxxx Lxxxx Uxxxx Yonah: 2006–2008 1.06 GHz – 2.33 GHz Socket M: 65 nm 5.5 W – 49 W 1 or 2 533 MHz, 667 MHz 64 KiB per core 2 MiB N/A Intel Core 2: Uxxxx
Below is the full 8086/8088 instruction set of Intel (81 instructions total). [2] These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts.
2022 - Intel's market value sinks below AMD's as the smaller chipmaker eats away at Intel's share of the server CPU and PC chip market and becomes the most formidable challenger to Nvidia.
The Intel 80186 and 80188 are essentially an upgraded 8086 or 8088 CPU, respectively, with on-chip peripherals added, and they have the same CPU registers as the 8086 and 8088 (in addition to interface registers for the peripherals). The 8086, 8088, 80186, and 80188 can use an optional floating-point coprocessor, the 8087.
The SDK-86 (system design kit) was the first available computer using the Intel 8086 microprocessor. It was sold as a single board kit at a cheaper price than a single 8086 chip because Intel thought that the success of a microprocessor depends on its evaluation by as many users as possible.
The Intel x86 computer instruction set architecture has supported memory segmentation since the original Intel 8086 in 1978. It allows programs to address more than 64 KB (65,536 bytes) of memory, the limit in earlier 80xx processors.