Chapter 1 Introduction to Computers

History of Intel Processors

1984: Intel 80286 – 134,000 transistors; 6-12 MHz

1987: Intel 80386 – 275,000 transistors; 16-33 MHz

1989: Intel 486 – first processor with 1 million transistors on it; 25-100 MHz

1993: Pentium – 3.3 million transistors; 75-200 MHz

1997: PII – 7.5 million transistors; 234-450 MHz

1999: PIII – 9.5-28 million transistors; 400 MHz – 1.2 GHz

2000: PIV – 42 million transistors; 1.4 GHz

2002: PIV – 55 million transistors; 2.4 GHz

2003: PIV – 80 million transistors; 3.2 GHz

2002: Pentium M (Centrino) – 77 million transistors; up to 1.6 GHz