AMD has announced the new ATI Radeon HD 4890 graphics card This is yet another high-end graphics card from ATI and the HD 4000 series card will be available for aproximate(Rs. 12,750).

ATI Radeon HD 4890 features an all new RV790 core built from 55nm fabrication process. AMD boasts that HD 4890 is capable of 1.36 TeraFLOPS of compute power, GDDR5 memory and capacity to hit 1GHz. The new HD 4890 supports Microsoft DirectX 10.1 with Shader Model 4.1 and OpenGL 3.0.

The ATI Radeon HD 4890 has 800 stream processors and the core runs at a clock speed of 850MHz. In this 55nm GPU bearing card, AMD has incorporated GDDR5 video memory standard that gives twice the data speed over GDDR3. The card uses 256-bit memory interface for 1GB GDDR5 memory running at a clock speed of 3900MHz.

This card will be part of AMD's" Dragon desktop Platform intended for high-end gaming and performance enthusiasts. This card will compete with Nvidia's top line GeForce GTX 285 and GTX 295 graphics cards."

This new HD 4000 series card supports Unified Video Decoder 2.0 for smoother and sharper HD video playback with vibrant colors. Along with support for HDMI port for video, this new card also brings HD Audio technologies 7.1 surround sound support.