AMD/ATI finally announced the final specs of their much talked about DirectX 10 capable graphics chipset - the R600. The new chipset has 700 million transistors (the earlier R580 has 384 million of them). The GPU features a 512-bit memory interface with support for GDDR3 and GDDR4.

The first of the next-gen cards will be out on 30 March in two versions and will be called the X2900XTX. The OEM version will be 12" long and will have a quiet fan cooler where as the retail version will be 9.5" long and will come with vapor chamber cooling, as seen on some earlier high-end cards. The Catalyst drivers will also be available by the same time.

The X2900XTX features 1GB of GDDR4 memory supplied by Samsung. Approximately one month later, the company will launch the GDDR3 version of the card.  This card, named the Radeon X2900 XT, features 512MB memory and lower clock frequencies than the X2900 XTX.

Native HDMI will be available on all three versions of the card and one 6-pin and one 8-pin (2x4) VGA power connectors are featured on Radeon X2900, but both connectors are also backwards compatible with 6-pin power supply cables.

 

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