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CPU chip designed and manufactured by Intel, successor to the 486 chip.
A computer having a Pentium processor.
Origin: * pent-, from the Greek for five (the first Pentium processor being the fifth-generation processor of the x86 architecture) + -ium
The New Hacker's Dictionary
The name given to Intel's P5 chip, the successor to the 80486. The name was chosen because of difficulties Intel had in trademarking a number. It suggests the number five (implying 586) while (according to Intel) conveying a meaning of strength “like titanium”. Among hackers, the plural is frequently ‘pentia’. See also Pentagram Pro.Intel did not stick to this convention when naming its P6 processor the Pentium Pro; many believe this is due to difficulties in selling a chip with “hex” or “sex” in its name. Successor chips have been called Pentium II, Pentium III, and Pentium IV.
The Intel Pentium microprocessor was introduced on March 22, 1993. Its microarchitecture, dubbed P5, was Intel's fifth-generation and first superscalar IA-32 microarchitecture. As a direct extension of the 80486 architecture, it included dual integer pipelines, a faster floating-point unit, wider data bus, separate code and data caches and features for further reduced address calculation latency. In 1996, the Pentium with MMX Technology was introduced with the same basic microarchitecture complemented with an MMX instruction set, larger caches, and some other enhancements. The P5 Pentium competitors included the Motorola 68060 and the PowerPC 601 as well as the SPARC, MIPS, and Alpha microprocessor families, most of which also used a superscalar in-order dual instruction pipeline configuration at some time. Intel's Larrabee multicore architecture project uses a processor core derived from a P5 core, augmented by multithreading, 64-bit instructions, and a 16-wide vector processing unit. Intel's low-powered Bonnell microarchitecture employed in Atom processor cores also uses an in-order dual pipeline similar to P5.
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