List of x86 manufacturers

Manufacturers[]

x86-compatible processors have been designed, manufactured and sold by a number of companies, including:

In the past:

Transmeta (discontinued its x86 line)
Rise Technology (acquired by SiS, that sold its x86 (embedded) line to DM&P)
IDT (Centaur Technology x86 division acquired by VIA)
Cyrix (acquired by National Semiconductor)
National Semiconductor (sold the x86 PC designs to VIA and later the x86 embedded designs to AMD)
NexGen (acquired by AMD)
Chips and Technologies (acquired by Intel)
Texas Instruments (discontinued its own x86 line)
IBM (discontinued its own x86 line)
UMC (discontinued its x86 line)
NEC (discontinued its x86 line)

DM&P Electronics (continues SiS' Vortex86 line)
ZF Micro ZFx86,^[1] Cx486DX SoC
RDC Semiconductors^[2] 486SX compatible RISC core (R8610 and R8620)
ao486^[3] open source FPGA implementation of the 486SX (currently targets the Terasic Altera DE2-115)
S80186^[4] open source 80186 compatible FPGA implementation
Montage Jintide^[5]

In the past:

ALi (x86 products went to Nvidia through the ULi sale)
Nvidia (M6117C - 386SX embedded microcontroller)
SiS (sold its Vortex86 line to DM&P)
Zet open source 80186 compatible FPGA implementation targeting the Xilinx ML403 and Altera DE1
Intersil (x86 line, that is up to 80286 compatible, discontinued)

GlobalFoundries (manufactures processors for AMD)
IBM (manufactures processors for ZF Micro and VIA; discontinued production for NexGen and Transmeta)
TSMC (manufactures processors for AMD and VIA; discontinued production for Transmeta)
Fujitsu (manufactures processors for VIA; manufactured processors for Transmeta)

In the past:

UMC (manufactured processors for Rise, SiS, ALi, ULi and Nvidia; discontinued x86 production)
National Semiconductor (manufactured processors for ZF Micro; discontinued x86 production)

In the past: