List of x86 manufacturers
From Wikipedia, the free encyclopedia
x86-compatible processors have been designed, manufactured and sold by a number of companies, including:
x86-processors for regular PCs
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)
- VM Technology[1][2][3] (discontinued its x86 line)
- VIA (discontinued its x86 line)
x86-processors for embedded designs only
Summarize
Perspective

- DM&P Electronics (continues SiS' Vortex86 line)
- ZF Micro ZFx86,[4] Cx486DX SoC
- RDC Semiconductors[5] 486SX compatible RISC core (R8610 and R8620)
- DP Kwazar SP (ДП КВАЗАР-ІС)[6] - As of December 2021, КР1810ВМ86 (Soviet 8086 clone) still appears on Kwazar's price list.[7]
In the past:
- ALi (x86 products went to Nvidia through the ULi sale)
- Nvidia (M6117C - 386SX embedded microcontroller)
- Auctor[8] / ACC Micro[9] - Maple SoC (Cx486DX4[10] core at 100 to 133 MHz)
- Advantech - EVA-X4150 and EVA-X4300 (SoCs with 486SX-compatible processors at 150 MHz and 300 MHz, respectively)[11]
- Innovasic - pin-compatible 80186/80188 clones[12]
- Vadem - VG230 and VG330 (SoCs with NEC V30 CPU cores, manufacturing continued by Amphus)[13]
- SiS (sold its Vortex86 line to DM&P)
- Intersil (x86 line, that is up to 80286 compatible, discontinued)
- VAutomation[14] - offered synthesizable x86 cores, in particular the Turbo 186, that has been implemented in ASICs from numerous vendors, e.g.[15]
- Zoran Corporation: Vaddis 6
- Genesis Microchip Inc: GM1601
- Lantronix: DSTni-EX, DSTni-LX[16]
- Synergetic: EC-1[17]
- CAST — offered synthesizable x86 and x87 IP cores for use in ASICs and FPGAs, such as the C80186XL,[18] C80187,[19] and C387L.[20]
Open source x86 cores
- ao486[21] open source FPGA implementation of the 486SX (currently targets the Terasic Altera DE2-115)
- S80186[22] open source 80186 compatible FPGA implementation
- Zet open source 80186 compatible FPGA implementation targeting the Xilinx ML403 and Altera DE1
x86-SoCs for mobile devices
- Rockchip (Intel SoFIA)
- Spreadtrum (Intel SoFIA)
Manufacturing-only of x86-processors designed by others
- 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)
- DEC (manufactured 486 processors for AMD; discontinued x86 production)[23]
Manufactured and sold under its own name of x86-processors designed by others
Summarize
Perspective
Early Intel x86 CPU designs (up to the 80286) have in the past been second-sourced by the following manufacturers under licence from Intel:[24][25]
Manufacturer | 8086/8088 | 80186/80188 | 80286 | Notes |
---|---|---|---|---|
AMD | Yes | Yes | Yes | Later developed independent x86 CPU designs. |
Fujitsu | Yes | Yes | Yes | |
Harris Corporation | Yes | No | Yes | |
IBM | No | No | Yes | |
Intersil | Yes | No | Yes | Continued to manufacture x86 CPUs after being spun off from Harris in 1999. |
Matra Harris Semiconductors (MHS) | Yes | No | No | Joint venture between Harris and Matra. |
Matsushita | Yes | No | No | |
Mitsubishi | Yes | No | No | |
NEC | Yes | No | No | Later developed independent x86 CPU designs. |
OKI | Yes | No | No | |
Renesas | Yes | No | No | Continued Intersil's 8086/8088 product line after acquiring Intersil in 2017.[26] |
Rochester Electronics (REI) | Yes | Yes | Yes | Manufactures other vendors' end-of-lifed chips under licence, on a built-to-order basis. |
Siemens | Yes | Yes | Yes |
Manufacturers that have served as second sources for other x86 CPUs include:
Manufacturer | Second source of |
---|---|
Sharp | NEC V20/V30 |
Sony | NEC V20/V30 |
Zilog | NEC V20/V30 |
IBM | Cyrix 486, 5x86, 6x86, 6x86MX |
SGS-Thomson | Cyrix 486, 5x86, 6x86 |
Texas Instruments | Cyrix 486 |
Rochester Electronics | AMD Élan SC300[27] |
Other/uncategorized
Vendor | Product Line | Description |
---|---|---|
Montage | Jintide | Pairs Intel Skylake Xeon CPU cores with specially-designed I/O tracing and analysis chips to help provide improved security. Made as a multi-chip module, mainly for use in Chinese servers.[28][29][30] |
Hygon | Dhyana | AMD/Hygon joint venture, making CPUs based on AMD Zen1 with some modifications for the Chinese market.[31] |
MCST | Elbrus 2000 | Russian VLIW processor family, designed to run x86 code using dynamic binary translation. |
Space Electronics Inc. / Maxwell | 80386DXRP | Intel 386 CPUs repackaged in special radiation-hardened packages for use in space.[32][33] |
Kombinat Mikroelektronik Erfurt | U80601 | East Germany 80286 clone, made in 1989-1990. |
Eagle Memories,[34] MC[35] |
486DLC | OEM rebranded variants of Cyrix 486DLC CPUs. |
Mitsubishi | Straker[36] | Intel SmartDie[37] based products, packaging an Intel-provided CPU die in OEM-specific packages, mainly for use in ultracompact laptops. |
Fujitsu | (Pentium)[38] | |
Shenzen State Microelectronics (SSMEC) | SM486DX, SM486DX2 |
Pin-compatible i486 clones. Functionally indistinguishable from Intel 486 processors, but draw substantially less power.[39] |
See also
References
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