Intel

4004 1971 4 First microprocessor.
8008 1972 8 First 8-bit microprocessor.
4040 19744 Enhanced version of the Intel 4004 processor.
8080 1974 8 Successor to Intel 8008 CPU.
8085 1976 8 Enhanced version of Intel 8080 CPU.
8086 1978 16 First generation of Intel 80x86 processors.
8088 1979 8/16 8 bit (external) version of Intel 8086 CPU.
80186 1982 16 Next generation of 80x86 processors. Used mostly as embedded processor.
80188 1982 8/16 Next generation of 80x86 processors. Used mostly as embedded processor.
80286 1982 16 Second generation of 80x86 processors:
new instructions, protected mode, support for 16MB of memory.
80386 1985 32 Third generation of 80x86 processors: 32 bit architecture, new processor modes.
80960 1988?32 Embedded 32-bit microprocessor.
803761989 32 Embedded 32-bit microprocessor based on Intel 80386.
80486 1989 32 Fourth generation of 80x86 processors: integrated FPU, internal clock multiplier.
80486 overdrive 198932 Overdrive/Upgrade processors for Intel 80486 family.
80860 198932 Embedded 32-bit microprocessor with integrated 3D graphics.
Pentium 1993 32 Fifth generation of x86 processors: superscalar architecture, MMX.
Pentium II 1995 32 Sixth generation of x86 processors.
Celeron 1998 32 Low-cost version of Pentium II, Pentium III and Pentium 4 processors.
Pentium III1999 32 Enhanced and faster version of Pentium II.
Pentium 4 2000 32, 64New generation of Pentium processors.
Itanium 2001 64 High-performance 64-bit microprocessor.
Timna 2001 32 Low-cost microprocessor with integrated peripherals (never released)
Itanium 2 200264 High-performance 64-bit microprocessor.
Pentium M 2003 32Pentium microprocessor specifically designed for mobile applications
Celeron D 200432, 64Low-cost version Pentium 4 desktop processors.
Celeron M 2004 32Low-cost microprocessor specifically designed for mobile applications
Pentium D 2005 64Dual-core CPUs based on Pentium 4 architecture.
Pentium Extreme Edition 2005 64 Dual-core CPUs based on Pentium 4 architecture.
Xeon 200? 32, 64High-performance version of Pentium 4 CPU.
Core Duo 2006 32 32-bit dual-core microprocessor.
Core Solo 2006 32 32-bit single-core microprocessor.
Core 2 2006 64 64-bit microprocessor.
Pentium Dual-Core 2007 32, 64 64-bit low-cost microprocessor.
Celeron Dual-Core 2008 32, 64 64-bit low-cost microprocessor.
Atom 2008 32, 64 Ultra-low power microprocessor.
Core i7 2008 32, 64 64-bit microprocessor.
Core i5 2009 32, 64 64-bit microprocessor.
Core i3 2010 32, 64 64-bit microprocessor.
Core M 2014 64 Ultra-low power mobile microprocessor.
Core m3 201564 Low-end ultra-low power mobile microprocessor.
Core m5 201564 Ultra-low power mobile microprocessor.
Core m7 201564 High performance ultra-low power mobile microprocessor.
Xeon D 201564 64-bit low power processor for microservers and embedded markets.
Core i9 201764 High-performance desktop CPU with unlocked clock multiplier.
Xeon W 201764 64-bit microprocessor for workstations

AMD

29000 1988 32 32-bit embedded RISC microprocessor
29030 199? 32 32-bit embedded RISC microprocessor
29040 199?32 32-bit high-performance embedded RISC microprocessor
29050 199032 32-bit embedded RISC microprocessor with integrated FPU
K5 1996 32 Pentium-class processor
K6 1997 32 Pentium/Pentium II-class processor
K6-2 1998 32 Pentium II-class processor, enhanced version of K6
K6-III 1999 32 Pentium II-class processor, enhanced version of K6-2
K7 1999 32 Pentium III/IV class processor
K8 200364 Eighth generation of x86 processors
K10 200764 Ninth generation of x86 processors
Bobcat 201164 First generation of ultra low-power x86 microprocessors
Bulldozer201164 Family of high-performance x86 microprocessors
Jaguar201364 Second generation of ultra-low power x86 microprocessors
Puma201464 Third generation of ultra-low power x86 microprocessors
ARM-based201664Microprocessors and systems on a chip, based on ARM IP cores
Zen 201764 High-performance x86 processors

ARM

SA-110 19?? 32 Low-power embedded StrongARM microprocessor

Cyrix

5x86 199532 80486/Pentium class processor
6x86 199? 32 Pentium/Pentium II class processor
GX1 199? 32 Highly integrated Pentium/Pentium II class processor
GXm 199? 32 Highly integrated Pentium/Pentium II class processor
MII 199? 32 Pentium II class processor
MXi   32 Enhanced version of MediaGX processor (never released)

Digital Equipment Corporation

21064 199264 21064 and 21064A RISC processors

Ferranti

F100-L 197616 Bipolar microprocessor for military applications

Hitachi

6309 198?8CMOS microprocessor, compatible with 6809

IDT

Winchip C6 199? 32 Pentium class processor
Winchip 2 199? 32 Pentium II class processor

Intersil

6100 19?? 12 CMOS microprocessor

MIPS Technologies

R3000 1988 32 32-bit RISC microprocessor.
R4000 199164 RISC processor.
R4400 1993 64 Enhanced version of R4000 RISC processor.
R4600 199? 64 Enhanced version of R4400PC RISC processor.
R5000 1996 64 Super-scalar 64-bit RISC microprocessor
R10000 199? 64 Super-scalar 64-bit RISC microprocessor

MOS Technology

650x 1975 8 Very popular version of 8 bit processor.

Motorola

6800 1974 8 6800 microprocessor.
6809 197? 8 Enhanced version of 6800 microprocessor.
MC14500B 197? 1 Industrial Control Unit
68000 1979 16/32 First generation of Motorola 680x0 series of processors.
68008 19?? 8/32 First generation of Motorola 680x0 series of processors.
68010 1982 16/32 Second generation of Motorola 680x0 series of processors.
68012 198? 16/32 Second generation of Motorola 680x0 series of processors.
68020 1984 32 Third generation of Motorola 680x0 series of processors.
68030 1987 32 Fourth generation of Motorola 680x0 series of processors.
68040 1991 32 Fifth generation of Motorola 680x0 series of processors.
68060 1994 32 Sixth generation of Motorola 680x0 series of processors.
PowerPC 603 199432 RISC microprocessor

National Semiconductor

PACE 1974 16 16-bit PMOS microprocessor
SC/MP 19768 8-bit microprocessor
INS8900 197? 16 16-bit NMOS microprocessor
SC/MP II 19778 8-bit microprocessor
NSC800 198? 8 Z80 compatible microprocessor
32016 19?? 16/32 32-bit microprocessor with 16-bit data bus

NEC

V20 1984 8/16 8088-compatible processor with 8080 emulation mode.
V30 1984 16 8086-compatible processor with 8080 emulation mode.
V40 198? 8/16 8088-compatible processor with integrated peripherals and 8080 emulation mode.
V50 198? 16 8086-compatible processor with integrated peripherals and 8080 emulation mode.

NexGen

Nx586 19?? 32 Pentium class processor.

Philips

68070 1988?32 Highly integrated CPU, based on Motorola 68000

RCA

1802 197? 8 8-bit microprocessor from RCA. Includes 1802, 1804 and 1806.

Rise Technology

MP6 199832 Pentium class processor.

Signetics

2650 1975?8 8-bit processor
8X300 197? 8 8-bit RISC-like microprocessor

Sun Microsystems

UltraSparc I 1995?64 First generation of UltraSparc processors
UltraSparc II 199764 Second generation of UltraSparc processors
UltraSparc IIi 1998? 64 Second generation of UltraSparc processors
UltraSparc IIe 2001?64 Second generation of UltraSparc processors
UltraSparc III 200064 Third generation of UltraSparc processors
UltraSparc IIIi 2003? 64 Third generation of UltraSparc processors
UltraSparc IV 2004?64 Fourth generation of UltraSparc processors
UltraSparc IV+ 2005? 64 Fourth generation of UltraSparc processors

Texas Instruments

TMS9900 1976? 16 16-bit microprocessor
TMS9980 197? 16 16-bit microprocessor with 8-bit data bus
TMS9995 19??16 Enhanced version of TMS9900 16-bit microprocessor
TMS99105 198116 Enhanced version of TMS9995 16-bit microprocessor
TMS99110 198116 Enhanced version of TMS9995 16-bit microprocessor

Transmeta

TM5600 19?? 32 Low power microprocessor.
TM5800 200132 Low power microprocessor.

USSR

1801 198? 16 DEC (PDP-11) compatible microprocessor

VIA

Cyrix III (C3) 200032 Pentium/Pentium II class processor
Eden ESP 19??32 Embedded ultra low-power x86-compatible microprocessor
C7-M 200532 Low-power mobile microprocessor
C7-D 200632 Low-power desktop microprocessor
Nano 200864Low-power 64-bit microprocessor
Nano X2 201164Low-power dual-core 64-bit microprocessor

Western Design Center

65816 19?? 16 16-bit microprocessor with 6502 emulation mode

Western Electric

WE 32100 1985?3232-bit microprocessor
WE 32200 198?3232-bit microprocessor

Zilog

Z80 1976 8 Improved version of Intel 8080 processor: new instructions.
Z800x 1979?16 16-bit microprocessor.
Z180 19?? 8 High-integration version of Z80 processor.