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List of Intel microprocessors

Here is a list of Intel microprocessors:

  • 4004
    • Introduced November 15, 1971
    • Clock speed 740 kHz
    • 0.06 MIPS
    • Bus Width 4 bits (multiplexed address/data due to limited pins)
    • PMOS
    • Number of Transistors 2,300 at 10 μm
    • Addressable Memory 640 bytes
    • Program Memory 4K bytes
    • World's first microprocessor
    • Used in Busicom calculator
    • Trivia: The original goal was to equal the clock speed of the IBM 1620; this was not quite met.
  • 4040
    • Introduced TBD, 1974
    • Clock speed of 500 kHz to 740 kHz using 4 to 5.185 MHz crystals
    • 0.06 MIPS
    • Bus Width 4 bits (multiplexed address/data due to limited pins)
    • PMOS
    • Number of Transistors 3,000 at 10 μm
    • Addressable Memory 640 bytes
    • Program Memory 8K bytes
    • Interrupts
    • Enhanced version of 4004
  • 8008
    • Introduced April 1, 1972
    • Clock speed 500 kHz (8008-1: 800 kHz)
    • 0.05 MIPS
    • Bus Width 8 bits (multiplexed address/data due to limited pins)
    • PMOS
    • Number of Transistors 3,500 at 10 μm
    • Addressable memory 16 kilobytes
    • Typical in dumb terminals, general calculators, bottling machines
    • Developed in tandem with 4004
    • Originally intended for use in the Datapoint 2200
  • 8080
    • Introduced April 1, 1974
    • Clock speed 2MHz
    • 0.64 MIPS
    • Bus Width 8 bits data, 16 bits address
    • NMOS
    • Number of Transistors 6,000 at 6 μm
    • Addressable memory 64 kilobytes
    • 10X the performance of the 8008
    • Used in the Altair 8800, Traffic light controller, cruise missile
    • Required six support chips versus 20 for the 8008
  • 8085
    • Introduced March 1976
    • Clock speed 5MHz
    • 0.37 MIPS
    • Bus Width 8 bits data, 16 bits address
    • Number of Transistors 6,500 at 3 μm
    • 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
      • 10MHz with 0.75 MIPS
    • Bus Width 16 bits data, 20 bits address
    • Number of Transistors 29,000 at 3 μm
    • Addressable memory 1 megabyte
    • 10X the performance of 8080
    • Used in portable computing
    • Instruction set backwards compatible to 8080
    • Used segment registers to access more than 64K of data at once, bane of programmers' existence for years to come
  • 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 data, 20 bits address
    • Number of Transistors 29,000 at 3 μm
    • Addressable memory 1 megabyte
    • Identical to 8086 except for its 8 bit external bus
    • Used in IBM PCs and PC clones
  • iAPX 432
    • Introduced 1981 as Intel's first 32-bit microprocessor
    • Object/capability architecture
    • Microcoded operating system primitives
    • One terabyte virtual address space
    • Hardware support for fault tolerance
    • Two-chip General Data Processor (GDP), consists of 43201 and 43202
    • 43203 Interface Processor (IP) interfaces to I/O subsystem
    • 43204 Bus Interface Unit (BIU) simplifies building multiprocessor systems
    • 43205 Memory Control Unit (MCU)
    • Architecture and execution unit internal data paths 32 bit
    • Clock speeds:
      • 5 MHz
      • 7 MHz
      • 8 MHz
  • 80186
    • Introduced 1982
    • Used mostly in embedded applications - controllers, point-of-sale systems, terminals, and the like
    • Included two timers, a DMA controller, and an interrupt controller on the chip in addition to the processor
    • Later renamed the iAPX 186
  • 80188
    • Same as 80186 except with 8 bit external data bus
  • 80286
    • Introduced February 1, 1982
    • Clock speeds:
      • 6MHz with 0.9 MIPS
      • 8MHz, 10MHz with 1.5 MIPS
      • 12.5MHz with 2.66 MIPS
    • Bus Width 16 bits
    • Included memory protection hardware to support multitasking operating systems with per-process address space
    • Number of Transistors 134,000 at 1.5 μm
    • Addressable memory 16 megabytes
    • Added protected-mode features to 8086 with essentially the same instruction set
    • 3-6X the performance of the 8086
    • Widely used in PC clones at the time
    • Can scan the Encyclopędia 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
      • 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 μm
    • Addressable memory 4 gigabytes
    • Virtual memory 64 terabytes
    • First x86 chip to handle 32-bit data sets
    • Reworked and expanded memory protection support including paged virtual memory and virtual-86 mode, features required by Windows 95 and OS/2 Warp
    • Used in Desktop computing
    • Can address enough memory to manage an eight-page history of every person on earth
    • Can scan the Encyclopędia 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
      • 10/26/1992 33MHz with 2.9 MIPS
    • Internal architecture 32 bits
    • External bus width 16 bits
    • Number of Transitors 275,000 at 1 μm
    • Addressable memory 16 megabytes
    • Virtual memory 256 gigabytes
    • 16-bit address bus enable low cost 32-bit processing
    • Built in multitasking
    • Used in entry-level desktop and portable computing
  • 80376
    • Variant of 386 intended for embedded systems
    • No "real mode", starts up directly in "protected mode"
  • 80960 (i960)
    • Introduced 1988
    • RISC-like 32-bit architecture
    • predominantly used in embedded systems
    • Evolved from the capability processor developed for the BiiN joint venture with Siemens
    • Many variants identified by two-letter suffixes.
  • 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)
      • 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 μm; the 50MHz was at 0.8 μm
    • Addressable memory 4 gigabytes
    • Virtual memory 64 terabytes
    • Level 1 cache on chip
    • 50X performance of the 8088
    • Used in Desktop computing and servers
  • 80860 (i860)
    • Introduced 1989
    • Intel's first superscalar processor
    • RISC architecture, with pipeline characteristics very visible to programmer
  • 80386SL
    • Introduced October 15, 1990
    • Clock speeds:
      • 20MHz with 4.21 MIPS
      • 9/30/1991 25MHz with 5.3 MIPS
    • Internal architecture 32 bits
    • External bus width 16 bits
    • Number of Transistors 855,000 at 1 μm
    • 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)
      • 9/21/1992 33MHz with 27 MIPS (15.86 SPECint92)
    • Bus Width 32 bits
    • Number of Transistors 1.185 million at 1 μm and 900,000 at 0.8 μm
    • 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)
      • 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 0.8 μm
    • 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
    • Introduced November 9, 1992
    • Clock speeds:
      • 20MHz with 15.4MIPS
      • 25MHz with 19 MIPS
      • 33MHz with 25 MIPS
    • Bus Width 32 bits
    • Number of Transistors 1.4 million at 0.8 μm
    • Addressable memory 64 megabytes
    • Virtual memory 64 terabytes
    • Used in notebook PCS
  • Pentium
    • Introduced March 22, 1993
    • Clock speeds:
    • Bus width 64 bits
    • Address bus 32 bits
    • Number of transistors 3.1 million at 0.8 μm
    • 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
  • 80486DX4
    • Introduced March 7, 1994
    • Clock speeds:
      • 75MHz with 53 MIPS (41.3 SPECint92, 20.1 SPECfp92 on Micronics M4P 256K L2)
      • 100MHz with 70.7 MIPS (54.59 SPECint92, 26.91 SPECfp92 on Micronics M4P 256K L2)
    • Number of Transistors 1.6 million at 0.6 μm
    • 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 Pro (200, 180, 166, 150 MHz)
  • Pentium MMX
  • Pentium II
  • Celeron
  • Pentium II Xeon (400 MHz)
  • Pentium III
  • Pentium(r) III Xeon(tm) Processor
    • Introduced October 25, 1999
    • Number of transistors: 9.5 million at 0.25 μm or 28 million at 0.18 μm)
    • L2 cache is 256KB, 1MB, or 2MB Advanced Transfer Cache (Integrated)
    • Processor Package Sytle is Single Edge Contact Cartridge (S.E.C.C.2) or SC330
    • System Bus Speed 133 MHz (256KB L2 cache) or 100 MHz (1-2MB L2 cache)
    • System Bus Width 64 bit
    • Addressable memory 64 gigabytes
    • Used in two-way servers and workstations (256KB L2) or 4- and 8-way servers (1-2MB L2)
    • Variants
      • 500 MHz (0.25 μm process) Introduced March 17, 1999
      • 550 MHz (0.25 μm process) Introduced August 23, 1999
      • 600 MHz (0.18 μm process, 256KB L2 cache) Introduced October 25, 1999
      • 667 MHz (0.18 μm process, 256KB L2 cache) Introduced October 25, 1999
      • 733 MHz (0.18 μm process, 256KB L2 cache) Introduced October 25, 1999
      • 800 MHz (0.18 μm process, 256KB L2 cache) Introduced January 12, 2000
      • 866 MHz (0.18 μm process, 256KB L2 cache) Introduced April 10, 2000
      • 933 MHz (0.18 μm process, 256KB L2 cache)
      • 1000 MHz (0.18 μm process, 256KB L2 cache) Introduced August 22, 2000
      • 700 MHz (0.18 μm process, 1-2MB L2 cache) Introduced May 22, 2000
      • 900 MHz (0.18 μm process, 2MB L2 cache) Introduced March 21, 2001
  • Pentium(r) 4 Processor built on 0.18 μm process technology (1.40 and 1.50 GHz)
    • Introduced November 20, 2000
    • L2 cache was 256KB Advanced Tansfer Cache (Integrated)
    • Processor Package Style was PGA423, PGA478
    • System Bus Speed 400 MHz
    • SSE2 SIMD Extensions
    • Number of Transistors 42 million
    • Used in desktops and entry-level workstations
  • Pentium(r) 4 Processor built on 0.18 μm process technology (1.7 GHz)
    • Introduced April 23, 2001
    • See the 1.4 and 1.5 chips for details
  • Intel(r) Xeon(tm) Processor (1.4, 1.5, 1.7 GHz)
    • Introduced May 21, 2001
    • L2 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 high-performance and mid-range dual processor enabled workstations
  • Pentium(r) 4 Processor built on 0.18 μm 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
    • Power <1 watt in Battery Optimized Mode
    • Used in full-size and then light mobile PCs
  • Pentium(r) 4 Processor built on 0.18 μm process technology "Willamette" (1.9 and 2.0 GHz)
  • Xeon (2.0 GHz)
  • Pentium® 4 (2 GHz, 2.20 GHz)
  • Pentium® 4 (2.4 GHz)
  • Itanium (733 MHz and 800 MHz)
  • Itanium 2 (900 MHz and 1 GHz)
  • Pentium 4 Processor built on 0.13 μm process technology "Northwood A"(1.7, 1.8, 1.9, 2, 2.2, 2.4, 2.5, 2.6 GHz)
    • 400 MHz system bus.
  • Pentium 4 Processor built on 0.13 μm process technology "Northwood B" (2.26, 2.4, 2.53, 2.66, 2.8, 3.06 GHz)
  • Mobile Intel Pentium 4 - M Processor build on 0.13 μm process technology; Heart of the Intel mobile "Centrino" system; "Banias" (1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.2 GHz)
    • 400 MHz system bus.
  • Pentium 4 Processor built on 0.13 μm process technology "Northwood C" (2.4, 2.6, 2.8, 3.0, 3.2 GHz)
    • 800MHz system bus (all versions include Hyper Threading)
    • 6500 to 10000 MIPS
  • Pentium 4E Processor built on 0.09 μm process technology "Prescott" (2.8, 3.0, 3.2, 3.4) 1MB L2 cache
    • 533/800MHz system bus (all versions include Hyper Threading except 2.8 (533))
    • Designed specifically for advanced gaming
    • 7500 to 11000 MIPS
  • Intel Pentium 4 Extreme Edition (EE)
    • same as Pentium 4 Processor
    • 2MB L3 Cache

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Last updated: 10-24-2004 05:10:45