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Pentium is a series of x86 architecture-compatible microprocessors produced by Intel from 1993 to 2023. The original Pentium was Intel's fifth generation processor, succeeding the i486; Pentium was Intel's flagship processor line for over a decade until the introduction of the Intel Core line in 2006.
The Pentium (also referred to as the i586 or P5 Pentium) is a microprocessor introduced by Intel on March 22, 1993. It is the first CPU using the Pentium brand. [3] [4] Considered the fifth generation in the x86 (8086) compatible line of processors, [5] succeeding the i486, its implementation and microarchitecture was internally called P5.
Logo from 1993 The latest standard badge design used by Intel to promote the Pentium brand. The Intel Pentium brand was a line of mainstream x86-architecture microprocessors from Intel. Processors branded Pentium Processor with MMX Technology (and referred to as Pentium MMX for brevity) are also listed here. It was replaced by the Intel ...
Processors began to have a front-side bus (FSB) clock speed used in communication with RAM and other components. Typically, the processor itself ran at a clock speed that was a multiple of the FSB clock speed. Intel's Pentium III, for example, had an internal clock speed of 450–600 MHz and an FSB speed of 100–133 MHz.
The Pentium 4 was a seventh-generation CPU from Intel targeted at the consumer and enterprise markets. It is based on the NetBurst microarchitecture. Desktop processors
Introduced paging on top of segmentation which is the most commonly used memory protection technology in modern operating systems ever since. Many additional powerful and valuable new instructions. i486 Intel's second generation of 32-bit x86 processors, introduced built-in floating point unit (FPU), 8 KB on-chip L1 cache, and pipelining ...
Pentium II processor with MMX technology, SECC cartridge. The Pentium II [2] is a brand of sixth-generation Intel x86 microprocessors based on the P6 microarchitecture, introduced on May 7, 1997. It combined the P6 microarchitecture seen on the Pentium Pro with the MMX instruction set of the Pentium MMX.
Smithfield (Pentium Extreme Edition) – 90 nm process technology (3.2 GHz) Variants Pentium 840 EE – 3.20 GHz (2 × 1 MB L2) Presler (Pentium Extreme Edition) – 65 nm process technology (3.46, 3.73) 2 MB × 2 (non-shared, 4 MB total) L2 cache; Variants Pentium 955 EE – 3.46 GHz, 1066 MHz front-side bus