2005-11-22 Xbox 360 Xbox 2 is also known as Xenon and said to be named Xbox 360. Said to use ATI R500 derivative graphics and a IBM 64-bit PowerPC 976 processor with three cores on one chip. Both processor and graphics chip work in big-endian mode. Xbox Next and Xbox Next HD shows up in second half of 2005 while Xbox Next PC (a fully fledged PC) shows in autumn 2006. Launched in a special MTV-show in May -05 and shipped in November this year. Previously known as Xbox 2.