Advanced Micro Devices, Inc. (AMD) or AMD is an American multinational semiconductor company based in Sunnyvale, California, that develops computer processors and related technologies for commercial and consumer markets. Its main products include microprocessors, motherboard chipsets, embedded processors and graphics processors for servers, workstations and personal computers, and embedded systems applications.
AMD is the second-largest global supplier of microprocessors based on the x86 architecture and also one of the largest suppliers of graphics processing units. It also owns 8.6% of Spansion, a supplier of non-volatile flash memory.
AMD is the only significant rival to Intel in the central processor (CPU) market for (x86 based) personal computers. Together they held 99.1 percent (Intel 80.3%, AMD 18.8%) of the CPU's sold for quarter three of 2011. Since acquiring ATI in 2006, AMD and its competitor Nvidia have dominated the discrete graphics processor unit (GPU) market, together making up virtually 100% of the market.