INTEL 4004 Chip
[ INTERNAL VIEW ]
Busicom, a Japanese company, wanted a chip for a new calculator. With
incredible o verkill, Intel built the world's first general-purpose
microprocessor. Then it bought back the rights for $60,000.
The 4-bit 4004 ran at 108 kHz and contained 2300 transistors. Its speed is estimated at 0.06 MIPS. By comparison, Intel's latest microprocessor, the P6 , runs at 133 MHz, contains 5.5 million transistors, and executes 300 MIPS."
Source: BYTE - 20 Most Important Chips
The X-Number World