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List of microprocessors made by Intel:

• 4004 - Introduced November 15, 1971 - Clock speed 740KHz - 0.09 MIPS - Bus Width 4 bits - PMOS - Number of Transistors 2,300 at 10 microns - Addressable Memory 640 bytes - Program Memory 4K bytes - Worlds first microprocessor - Used in Busicom calculator - (Trivia: The original goal was to equal the speed of the IBM 1620, this was not quite met.)
• 4040 - Introduced TBD, 1974 - Clock speed 740KHz - 0.09 MIPS - Bus Width 4 bits - PMOS - Number of Transistors 3,000 at 10 microns - Addressable Memory 640 bytes - Program Memory 8K bytes - Interrupts - Enhanced version of 4004.
• 8008 - Introduced April 1, 1972 - Clock speed 500KHz (8008-1: 800KHz) - 0.05 MIPS - Bus Width 8 bits - PMOS - Number of Transistors 3,500 at 10 microns - Addressable memory 16 kilobytes - Typical in dumb terminals, general calculators, bottling machines - developed in tandem with 4004
• 8080 - Introduced April 1, 1974 - Clock speed 2MHz - 0.64 MIPS - Bus Width 8 bits - NMOS - Number of Transistors 6,000 at 6 microns - Addressable memory 64 kilobytes - 10X the performance of the 8008 - Used in the Altair, Traffic light controller, cruise missile - Required six support chips versus 20 for the 8008
• 8085 - Introduce March 1976 - Clock speed 5MHz - 0.37 MIPS - Bus Width 8 bits - Number of Transistors 6,500 at 3 microns - Used in Toledo scale - High level of integration, operating for the first time on a single 5 volt power supply from 12 volts previously
• 8086 - Introduced June 8, 1978 - Clock speeds 5MHz with 0.33 MIPS, 8MHz with 0.66MIPS, and 10MHz with 0.75 MIPS - Bus Width 16 bits - Number of Transistors 29,000 at 3 microns - Addressable memory 1 megabytes - 10X the performance of 8080 - Used in portable computing
• 8088 - Introduced June 1, 1979 - Clock speeds 5MHz with 0.33 MIPS, 8MHz with 0.75 MIPS - Internal architecture 16 bits - External bus Width 8 bits - Number of Transistors 29,000 at 3 microns - Addressable memory 1 megabytes - Identical to 8086 except for its 8 bit external bus - Used in IBM PCs and PC clones
• 80186 - Introduced 1982 - Used mostly in controller applications
• 80286 - Introduced February 1, 1982 - Clock speeds 6MHz with 0.9 MIPS, 8MHz , 10MHz with 1.5 MIPS, and 12.5MHz with 2.66 MIPS - Bus Width 16 bits - Number of Transistors 134,000 at 1.5 microns - Addressable memory 16 megabytes - Virtual memory 1 gigabyte - 3-6X the performance of the 8080 - Used in all PC clones at the time - Can scan the Encyclopedia Britannica in 45 seconds
• 80386DX - Introduced October 17, 1985 - Clock speeds 16MHz with 5 to 6 MIPS, 2/16/1987 20MHz with 6 to 7 MIPS, 4/4/1988 25MHz with 8.5 MIPS, and 4/10/1989 33MHz with 11.4 MIPS (9.4 SPECint92 on Compaq/i 16K L2) - Bus Width 32 bits - Number of Transistors 275,000 at 1 micron - Addressable memory 4 gigabytes - Virtual memory 64 terabytes - First X86 chip to handle 32-bit data sets - Built in multitasking - Included math coprocessor - Used in Desktop computing - Can address enough memory to manage an eight-page history of every person on earth - Can scan the Encyclopedia Britannica in 12.5 seconds
• 80386SX - Introduced June 16, 1988 - Clock speeds 16MHz with 2.5 MIPS, 1/25/1989 20MHz with 2.5 MIPS, 25MHz with 2.7 MIPS, and 10/26/1992 33MHz with 2.9 MIPS - Internal architecture 32 bits - External bus Width 16 bits - Number of Transitors 275,000 at 1 micron - Addressable memory 16 megabytes - Virtual memory 256 gigabytes - 16-bit address bus enable low cost 32-bit processing - Built in multitasking - Lacked math coprocessor - Used in entry-level desktop and portable computing
• 80486DX - Introduced April 10, 1989 - Clock speeds 25MHz with 20 MIPS (16.8 SPECint92, 7.40 SPECfp92), 5/7/1990 33MHz with 27 MIPS (22.4 SPECint92 on Micronics M4P 128k L2), and 6/24/1991 50MHz with 41 MIPS (33.4 SPECint92, 14.5 SPECfp92 on Compaq/50L 256K L2) - Bus Width 32 bits - Number of Transistors 1.2 million at 1 micron the 50MHz was at .8 micron - Addressable memory 4 gigabytes - Virtual memory 64 terabytes - Level 1 cache on chip - 50X performance of the 8088 - Used in Desktop computing and servers
• 80386SL - Introduced October 15, 1990 - Clock speeds 20MHz with 4.21 MIPS and 9/30/1991 25MHz with 5.3 MIPS - Internal architecture 32 bits - External bus width 16 bits - Number of Transistors 855,000 at 1 micron - Addressable memory 4 gigabytes - Virtual memory 64 terabytes - First chip specifically made for portable computers because of low power consumption of chip - Highly integrated, includes cache, bus, and memory controllers
• 80486SX - Introduced April 22, 1991 - Clock speeds 9/16/1991 16MHz with 13 MIPS, 20MHz with 16.5 MIPS, 9/16/1991 25MHz with 20 MIPS (12 SPECint92), and 9/21/1992 33MHz with 27 MIPS (15.86 SPECint92) - Bus Width 32 bits - Number of Transistors 1.185 million at 1 micron and 900,000 at .8 micron - Addressable memory 4 gigabytes - Virtual memory 64 terabytes - Identical in design to 486DX but without math coprocessor - Used in low-cost entry to 486 CPU desktop computing - Upgradable with the Intel OverDrive processor
• 80486DX2 - Introduced March 3. 1992 - Clock speeds 50MHz with 41 MIPS (29.9 SPECint92, 14.2 SPECfp92 on Micronics M4P 256K L2) and 8/10/1992 66 MHz with 54 MIPS (39.6 SPECint92, 18.8 SPECfp92 on Micronics M4P 256K L2) - Bus Width 32 bits - Number of Transistors 1.2 million at .8 micron - Addressable memory 4 gigabytes - Virtual memory 64 terabytes - Used in high performance, low cost desktops - Uses "speed doubler" technology where the microprocessor core runs at twice the speed of the bus
• 80486SL - Introduce November 9, 1992 - Clock speeds 20MHz with 15.4MIPS, 25MHz with 19 MIPS, and 33MHz with 25 MIPS - Bus Width 32 bits - Number of Transistors 1.4 million at .8 micron - Addressable memory 64 megabytes - Virtual memoty 64 terabytes - Used in notebook PCS
• Pentium (60 and 66 MHz) - Introduced March 22, 1993 - Clock speeds 60MHz with 100 MIPS (70.4 SPECint92, 55.1 SPECfp92 on Xpress 256K L2) and 66 MHz with 112 MIPS (77.9 SPECint92, 63.6 SPECfp92 on Xpress 256K L2) - Bus width 64 bits - Address bus 32 bits - Number of transistors 3.1 million at .8 micron - Addressable Memory 4 gigabytes - Virtual Memory 64 terabytes - Pin count 273 PGA Package - Package dimensions 2.16" x 2.16" Superscalar architecture brought 5X the performance of the 33MHz 486DX processor - Ran on 5volts of power - Used in desktops
• DX4 - Introduced March 7, 1994 - Clock speeds 75MHz with 53 MIPS (41.3 SPECint92, 20.1 SPECfp92 on Micronics M4P 256K L2) and 100MHz with 70.7 MIPS (54.59 SPECint92, 26.91 SPECfp92 on Micronics M4P 256K L2) - Number fo Transistors 1.6 million at .6 micron - Bus Width 32 bits - Addressable memory 4 gigabytes - Virtual memory 64 terabytes - Pin count 168 PGA Package, 208 SQFP Package - Die size 345 Square mm - Used in high performance entry-level desktops and value notebooks
• Pentium (90 and 100 MHz) - Introduced March 7, 1994
• Pentium (75 MHz) - Introduced October 10, 1994
• Pentium (120 MHz) - Introduced March 27, 1995
• Pentium (133 MHz) - Introduced June 1995
• Pentium Pro (200, 180, 166, 150 MHz) - Introduced November 1, 1995
• Pentium (150 and 166 MHz) - Introduced January 4, 1996
• Pentium (200 MHz) - Introduced June 10, 1996
• Pentium MMX (200 and 166 MHz) - Introduced January 8, 1997
• Pentium II (233, 266, and 300 MHz) - Introduced May 7, 1997
• Pentium MMX (233 MHz) - Introduced June 2, 1997
• Pentium Pro with 1MB L2 Cache (200 MHz) - Introduced August 18, 1997
• Mobile Pentium with MMX Technology (200 and 233 MHz) - Introduced September 8, 1997
• Mobile Pentium with MMX Technology (266 MHz) - Introduced January 12, 1998
• Pentium II (333 MHz)
• Pentium II (233 and 266 MHz)
• Pentium II (350 and 400 MHz)
• Celeron (266 MHz)
• Celeron (300 MHz)
• Pentium II Xeon (400 MHz)
• Celeron (300A MHz)
• Celeron (333 MHz)
• Pentium II (450 MHz)
• Mobile Pentium II (300 MHz)
• Pentium II Xeon (450 MHz)
• Celeron (366 and 400 MHz)
• Pentium II Xeon (450 MHz)
• Mobile Pentium with MMX Technology (300 MHz)
• Mobile Celeron (266 and 300 MHz)
• Mobile Pentium II (266, 300, 333, and 366 MHz)
• Pentium III (450, 500, 550, and 600 MHz)
• Pentium(r) III Xeon(tm) Processor (500 and 550 MHz) - Introduced March 17, 1999 - Number of Transistors 9.5 million at 0.25 micron - L@ cache is 512KB, 1MB, or 2MB - Processor Pckage Style is Single Edge Contact Cartridge (S.E.C.C.2) - System bus speed 100 MHz - System Bus Width 64 bit - Addressable memory 64 gigabytes - Used in business PCs, two-, four- and eight-way (and higher) servers and workstations
• Celeron (450 MHz)
• Mobile Celeron (333 MHz)
• Celeron (466 and 500 MHz)
• Mobile Celeron (366 MHz)
• Mobile Celeron (400 MHz)
• Pentium II (400 MHz)
• Pentium II (400 MHz)
• Mobile Celeron (433 and 466 MHz)
• Mobile Pentium III (400, 450, and 500 MHz)
• Pentium III (500, 533, 550, 600, 650, 667, 700, 733 MHz)
• Pentium(r) III Xeon(tm) Processor built on 0.18 micron process technology (600, 667, and 733 MHz) - Introduced October 25, 1999 - Number of transistors 28 million - Level Two cache is 256KB Advanced Transfer Cache (Integrated) - Processor Package Sytle is Single Edge Contact Cartridge (S.E.C.C.2) - System Bus Speed 133 MHz - System Bus Width 64 bit - Addressable memory 64 gigabytes - Used in two-way servers and workstations
• Celeron (533 MHz)
• Pentium(r) III Xeon(tm) Processor built on 0.18 micron process technology (800 MHz) - Introduced January 12, 2000 - See 600, 667, and 733 for details
• Mobile III with SpeedStep Technology (600 and 650 MHz)
• Mobile Celeron (450 and 500 MHz)
• Pentium III (1.0 GHz)
• Pentium III (850 and 866 MHz)
• Celeron (566 and 600 MHz)
• Pentium(r) III Xeon(tm) Processor built on 0.18 micron process technology (866 MHz) - Introduced April 10, 2000 - See 600, 667, and 733 chips for details
• Mobile Celeron (550 MHz)
• Mobile Pentium III with SpeedStep Technology (700 MHz)
• Pentium(r) III Xeon(tm) Processor built on 0.18 micron process technology (700 MHz) - Introduced May 22, 2000 - Level Two cache was 1MB and 2MB Advanced Transfer Cache (Integrated) - Processor Package Sytle SC330 - System Bus Speed 100MHz - System Bus Width 64 bit - Addressable Memory 64 gigabytes - Used in 4- and 8-way servers
• Pentium III (933 MHz)
• Pentium(r) III Xeon(tm) Processor built on 0.18 micron process technology (933 MHz) - Introduced May 24, 2000 - Level Two cache was 256KB Advanced Transfer Cache (Integrated) - Processor Package Style SC330 - System Bus Speed 133MHz - System Bus Width 64 bit - Addressable Memory 64 Gigabytes - Used in business and consumer PCs, one and two-way servers and workstations
• Mobile Celeron (600 and 650 MHz)
• Mobile III with SpeedStep Technology (750 MHz)
• Low Voltage Mobile Pentium(r) III with Intel(r) SpeedStep(tm) Technology (600 MHz) - Introduced June 19, 2000 - 256KB Advanced Transfer Cache (Integrated) - 0.18 micron - Package Style: Ball Grid Array (BGA2) - Bus Speed 100 MHz - Streaming SIMB extentsions - Core Voltage 1.1 volts (Battery Optimized Mode) - Watts average less than 1 watt (Battery Optimized Mode) - Used in Business, Consumer, Education
• Celeron (633, 667, and 700 MHz)
• Mobile Celeron (700 MHz)
• Mobile Pentium III with SpeedStop Technology (800 and 850 MHz)
• Celeron (733 and 766 MHz)
• Pentium(r) 4 Processor built on 0.18-micron process technology (1.40 and 1.50 GHz) - Introduced November 20, 2000 - Level Two cache was 256KB Advanced Tansfer Cache (Integrated) - Processor Package Style was PGA423, PGA478 - System Bus Speed 400MHz - SSE2 SIMD Extensions - Number of Transistors 42 million - Used in desktops and entry-level workstations
• Celeron (800 MHz)
• Ultra Low Voltage Mobile Celeron (500 MHz)
• Ultra Low Voltage Mobile Pentium(r) III Processor Featuring Intel(r) SpeedStep(tm) Technology (500 MHz) - Introducted January 30, 2001 - Had a 300MHz Battery Optimized Mode - 256K Advanced Transfer Cache (Integrated) - Packaging: Ball Grid Array (BGA) - Bus Speed 100 MHz - Voltage 1.1V;<1V in Battery Optimized Mode - Wattage: <1watt; <0.5 watt at 300MHz - Used in business and comsumer mobile PCs
• Ultra Low Voltage Mobile Pentium III with SpeedStep Technology (600 and 700 MHz)
• Low Voltage Mobile Pentium(r) III with Intel(r) SpeedStep(tm) Technology (700MHz) - Introduced February 27, 2001 - See 600 chip for details
• Mobile Celeron (750 MHz)
• Low Voltage Pentium III for Applied Computing (700 MHz)
• Mobile Pentium III with SpeedStep Technology (900 MHz and 1.0 GHz)
• Pentium(r) III Xeon(tm) Processor built on 0.18 micron process technology (900 MHz) - Introduced March 21, 2001 - Level Two cache was 2MB Advanced Transfer Chache (Intergrated) - Processor Package Style SC330 - System Bus Speed 100MHz - System Bus Width 64 bit system bus - Addressable memory 64 Gigabytes - Used in high-end servers, 4-and 8-way multiprocessing systems
• Pentium(r) 4 Processor built on 0.18-micron process technology (1.7 GHz) - Introduced April 23, 2001 - See the 1.4 and 1.5 chips for details
• Celeron (850 MHz)
• Mobile Celeron (800 MHz)
• Low Voltage Mobile Celeron (600 MHz)
• Ultra Low Voltage Mobile Celeron (600 MHz)
• Low Voltage Mobile Pentium(r) III with Intel(r) SpeedStep(tm) Technology (750 MHz) - Introduced May 21,2001 - See 600 chip for details
• Ultra Low Voltage Mobile Pentium(r) III Processor Featuring Intel(r) SpeedStep(tm) Technology (600 MHz) - Introduced May 21, 2001 - See 500 chip for details
• Intel(r) Xeon(tm) Processor (1.4, 1.5, 1.7 GHz) - Introduced May 21, 2001 - Level Two cache was 256KB Advanced Transfer Chache (Integrated) - Processor Package Style was Organic Lan Grid Array 603 (OLGA 603) - System Bus Speed 400MHz - SSE2 SIMD Extensions - Used in hig-peformance and mid-range dual processor enabled workstations
• Celeron (900 MHz)
• Mobile Celeron (850 MHz)
• Pentium(r) 4 Processor built on 0.18-micron process technology (1.6 and 1.8 GHz) - Introduced July 2, 2001 - See 1.4 and 1.5 chips for details -Core Voltage is 1.15 volts in Maximum Performance Mode; 1.05 volts in Battery Optimized Mode - Wattage <1 watt in Battery Optimized Mode - Used in full-size and then and light mobile PCs
• Mobile Intel(r) Pentium(r) III Processor-M (866 and 933 MHz) - Introduced July 30, 2001 - Bus speed 133 MHz - 0.13 Micron - 512KB on die L2 cache - Packaging: Micro FCBGA/PGA - SIMD Extensions -
• Mobile Intel(r) Pentium(r) III Processor-M (1.00, 1.06, 1.13 GHz) - Introduce July 30, 2001 - Bus speed 133 MHz - 0.12 Micron - Cache is 512KB on-die L2 cache - Packaging is Micro FCBGA/PGA - SIMD Extensions - Core Voltage is 1.4 volts in Maximum Performance Mode; 1.15 volts in Battery Optimized Mode - Wattage <2 watts in Battery Optimized Mode - Used in full-size and thin and light mobile PCs
• Pentium(r) 4 Processor built on 0.18-micron process technology "Willamette" (1.4, 1.5, 1.6, 1.7, 1.8, 1.9 and 2 GHz) - Introduced August 27, 2001 - See 1.4 and 1.5 chips for details
• Celeron (950 MHz, 1 and 1.10 GHz)
• Itanium (733 MHz and 800 MHz)
• Itanium 2 (900 MHz and 1 GHz)
• Pentium 4 Processor built on 0.13-micron process technology "Northwood A"(1.7, 1.8, 1.9, 2, 2.2, 2.4, 2.5, 2.6 GHz) - with 400 MHz system bus.
• Pentium 4 Processor built on 0.13-micron process technology "Northwood B" (2.26, 2.4, 2.53, 2.66, 2.8, 3.06GHz) - with 533 MHz system bus. (3.06Ghz includes Intel's hyper threading technology).
• Mobile Intel Pentium 4 - M Processor build on 0.13-micron process technology (1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.2 GHz) - with 400 MHz system bus.

Some Intel related terms:

• x86 - refers to 8086, 80286, 80386 or 80486 - it sometimes refers to the instruction set of the original 8086 processor
• 286 - refers to 80286
• 386 - refers to 80386
• 486 - refers to 80486
• Pentium - 80586. Intel began naming their chips Pentium instead of following the x86 convention. Numbers cannot be trademarked, and other chip manufacturers were capitalizing on "486-compatible" etc. so they needed name recognition and brand protection. Note that while Pentium connotes an association with 5, later chips of 80686 retained the name-recognition of "Pentium."
• Pentium MMX - 80586 ?
• Pentium II - 80686, codenamed Klamath

• Pentium III - 80686
• Pentium 4, codenamed Willamette
• Wintel - refers to a computer running a Microsoft Windows operating system on an Intel processor
• IA-32 - Intel architecture, 32 bit, referring to 80386 through Pentium IV processors
• IA-64 - New 64-bit architecture designed by Intel and Hewlett-Packard, including backwards compatibility with Intel IA-32 and HP PA-RISC.