In 1982, Commodore released the MAX Machine in Japan. It was called the Ultimax in the United States and VC-10 in Germany 1983 saw Commodore attempt to compete with the Apple II's hold on the US education market with the Educator 64,[63] essentially a C64 and "greenscale" monochrome monitor in a PET case. SX-64 Also in 1983, Commodore released the SX-64, a portable version of the C64. The SX-64 has the distinction of being the first commercial full-color portable computer In 1986, Commodore released the 64C computer, which is functionally identical to the original