Company Biostar Microtech Gigabyte Technology and separately announced the release of their own versions of the recently formally presented graphic adapter ATI Radeon HD 4890. Both models are made in accordance with the reference design, so that their technical features are like:
Videochip:RV790 (55-nm production methods, 959 million transistors)
The number of stream processors:800;
memory:GDDR5 volume of 1 GB;
bit Memory Interface:256 bit;
Operating frequencies ( core/memory):850/975 MHz;
Bus:PCI Express 2. 0 x16;
Support for API:DirectX 10. 1 Shader Model 4. 1;
Technology:ATI CrossFireX Multi-GPU Technology, ATI PowerPlay and ATI Avivo HD Technology with an integrated video processor second-generation (Unified Video Decoder 2);
Cooling System:dvuhslotovaya using fan;
Interface:two slots Dual-Link DVI and one HDTV-output.
Buy card Gigabyte GV-R489-1GH-B in some European online stores, you can now at a price of 219 Euro, but the value of the accelerator Biostar Radeon HD 4890 still is not known.