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The follow-on 1997 Cyrix–Intel litigation was the reverse: instead of Intel claiming that Cyrix 486 chips violated their patents, now Cyrix claimed that Intel's Pentium Pro and Pentium II violated Cyrix patents – in particular, the power-management and register-renaming techniques.
A Cyrix Cx486S processor. Compatible with the Intel 486SX. Introduced in May 1993, the Cyrix Cx486S, codenamed M5, was designed to be compatible with the Intel 486SX and like the Intel part, did not have a floating point unit onboard which was of little concern to an average user at the time due to most games and applications using purely integer-based code.
The Cyrix Cx486SLC is a x86 microprocessor that was developed by Cyrix.It was one of Cyrix's first CPU offerings, released after years of selling math coprocessors that competed with Intel's units and offered better performance at a comparable or lower price.
The Cyrix Cx486DLC is an x86 desktop microprocessor developed by Cyrix. It was Cyrix's second CPU offering, released years after selling math coprocessors that competed with Intel's units and offered better performance at a comparable or lower price. It was released in June of 1992, with a price of $119 for computer manufacturers.
Cyrix 5x86-120GP. The Cyrix 5x86 is a line of x86 microprocessors designed by Cyrix and released on June 5 of 1995. [1] [2] [3] Cyrix, being a fabless company, had the chips manufactured by IBM. The line came out about 5 months before the more famous Cyrix 6x86. The Cyrix 5x86 was one of the fastest CPUs ever produced for Socket 3 computer systems.
The 700 MHz version of the Cyrix III was available on January 19, 2001. The price would be $62 per chip in bulk quantities. [3] This was the last III chip released using the Samuel core, as the Samuel II was expected to be released in March. [4] Just a month later in February 2001, Cyrix III chips based on the Samuel 2 core were announced.
The Cyrix 6x86 is a line of sixth-generation, 32-bit x86 microprocessors designed and released by Cyrix in 1995. Cyrix, being a fabless company, had the chips manufactured by IBM and SGS-Thomson . [ 1 ] [ 2 ] The 6x86 was made as a direct competitor to Intel's Pentium microprocessor line, and was pin compatible.
Those included built-in voltage regulators, different pin-outs, write-back cache instead of write-through cache, built-in heatsinks, and fanless operation — features that made them more able to work where an ordinary edition of a particular model would not. Each 486 Overdrive typically came in two versions, ODP and ODPR variants. [1]