ATI will launch its R590 chip early next month as the Radeon X1800 GTO with support for 256MB of graphics memory, according to internal roadmap information surreptitiously slipped to website DailyTech. The data suggests the part is an X1900 with a lower clock speed and an unknown set of features disabled.

X1800 GTO boards will retail for around $279, the source claimed.

The early March timeframe suggests the part will debut at CeBIT or just before. The show, which kicks off on March 9 in Hannover, Germany, is also expected to play host to the launch of Nvidia's next-generation part, the GeForce 7900 GTX.

The site's source also claimed that ATI's next-generation R600 part, expected to be fabbed at 80nm, will ship this coming October. The R590 has also been touted in the past as a 80nm die-shrink of the R580, better known as the basis of the Radeon X1900 CrossFire Edition, X1900 XT and X1900 XTX. ®

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