page_title: Cyrix Cx486
section_title: Cx486DX2
hierarchical_section_title: Cyrix Cx486 / Variants / Cx486DX2
caption_attribution_description: English: Die shot of Texas Instruments 486DX2-66 (TI486DX2-G66-GA) microprocessor.
context_page_description: The Cyrix Cx486 was an x86 microprocessor designed by Cyrix. It primarily competed with the Intel 486 with which it was software compatible, would operate in the same motherboards provided proper support by the BIOS was available and generally showed comparable performance. The chip also competed with parts from AMD and UMC.
context_section_description: Introduced in September 1993 alongside the single clock version was a clock doubling version of the Cx486DX. It was intended to compete with the Intel 80486DX2 and had similar capabilities. Its lower price point than equivalent Intel processors made it a popular choice.
  The 50 MHz version is again the least common, this time likely due to the slower bus speed rendering any upgrade questionable as the performance gains would be reduced by the lower bus speed.
  The 80 MHz version was introduced in November 1994.
caption: Die shot of Texas Instruments TI486DX2-G66.
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