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64-bit EPIC architecture, 128-bit VLIW instruction bundle, on-die hardware IA-32 H/W enabling x86 OSes & x86 applications (early generations), software IA-32 EL enabling x86 applications (Itanium 2), Itanium register files are remapped to x86 registers x86-64: 64-bit Extended since 2001
Intel's second generation of 32-bit x86 processors, introduced built-in floating point unit (FPU), 8 KB on-chip L1 cache, and pipelining. Faster per MHz than the 386. Small number of new instructions. P5 original Pentium microprocessors, first x86 processor with super-scalar architecture and branch prediction. P6
Intel A80386DX-20 CPU die image. The Intel 386, originally released as the 80386 and later renamed i386, was the first x86 32-bit microprocessor designed by Intel.Pre-production samples of the 386 were released to select developers in 1985, while mass production commenced in 1986.
The x86 architecture underpinning Intel and AMD's products is, in turn, losing share to British chip designer Arm , according to Bernstein analyst Stacy Rasgon.
Itanium never sold well outside enterprise servers and high-performance computing systems, and the architecture was ultimately supplanted by competitor AMD's x86-64 (also called AMD64) architecture. x86-64 is a compatible extension to the 32-bit x86 architecture, implemented by, for example, Intel's own Xeon line and AMD's Opteron line.
Zen 4's I/O die includes integrated RDNA 2 graphics for the first time on any Zen architecture. Zen 4 marks the first utilization of the 5 nm process for x86-based desktop processors and also marks the return of 5.0 GHz clock rate to any AMD processors for the first time since the AMD FX-9590.
Intel Atom is Intel's line of low-power, low-cost and low-performance x86 and x86-64 microprocessors. Atom, with codenames of Silverthorne and Diamondville, was first announced on March 2, 2008. For nettop and netbook Atom microprocessors after Diamondville, the memory and graphics controller are moved from the northbridge to the CPU.
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.