| Codenamed
P5, the Pentium was released by Intel
in 1993 as a replacement to the
80486 processor.
It is called Pentium because it is the fifth in the 80x86
line. It would have been called the 80586 had a US court not ruled that
you cannot trademark a number. Below is a graphic illustration of the
Pentium processor.
The Pentium processor is faster
and more powerful
than Intel's earlier chips, with about 3.1 million transistors, compared to 1.2 million on
the 80486 and 275,000 on the 80386. The Pentium has a 32-bit access bus and a 64-bit data bus,
and it can operate at speeds of 60MHz to 200MHz.
Since its initial release, all Intel
processors released after the Pentium have been known as Intel Pentium
processors, followed by a numerical number, such as Intel Pentium II,
Intel Pentium III, etc...
Also see: Processor definitions
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