AMD is an American semiconductor company and the second largest supplier of microprocessors based on the x86 architecture after Intel. It develops computer processors and graphics cards. AMD was founded in 1969 and initially produced logic chips. In the 1980s, AMD began producing clones of Intel CPUs like the 286 and 386 under an agreement but this was later cancelled by Intel. AMD went on to produce its own CPUs like the K5, K6 and Athlon series to compete directly with Intel's offerings. It acquired ATI in 2006 to strengthen its graphics card business against Nvidia.