AMD Radeon HD 2900XT Preview
It's late, but it's finally here. This morning AMD will be formally announcing their long-awaited Radeon HD 2000 series, or perhaps better known as the ATI R600 GPU. The AMD Radeon HD 2000 series features DirectX 10.0 (well, for those that use Microsoft products), Avivo HD, a programmable tessellation unit, CrossFire support, and much more. This morning we have our technology preview of ATI/AMD's next generation GPUs along with what's in store for Linux and the R600 series support.
The parts being launched today by Advanced Micro Devices include the HD 2900XT, HD 2600XT, HD 2600PRO, HD 2400XT, and the low-end HD 2400PRO. Soft launching today are also the ATI Mobility Radeon HD 2000 series, which consists of mobile units in the 2300, 2400, and 2600 classes. On the AMD HD 2900XT are 320 stream processors along with 512MB of GDDR3 512-bit memory. While the HD 2400 and HD 2600 series use a 65nm TSMC process, the HD 2900XT currently is built on 80nm technology. The AMD HD 2950XT and HD 2950XTX should be out later this year and in a 65nm variety. There is native CrossFire support on all R600 components thus there is no longer the need for a "Master Card" or external dongle.
The ATI Radeon HD 2000 series also adds CFAA support, or Custom Filter Anti-Aliasing. However, don't expect Custom Filter Anti-Aliasing coming to the fglrx Linux drivers anytime soon. Likewise, the Radeon HD 2000 series also support full HDCP with audio. For interfacing with HDMI components, Advanced Micro Devices will ship a DVI to HDMI dongle, which will support video along with 5.1 channel surround sound audio -- another area not to look for immediate support from the fglrx binary display driver.
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