Introduced on April 2nd 2009, the AMD ATI Radeon HD 4890 is a high end, single GPU graphics card design. Featuring a tweaked RV770 GPU, the RV790 features a ring of decoupling capacitors and several fundamental design improvements in order to allow the chip to run at enhanced timings over the 4870. The first ATI card to be offered overclocked directly from manufacturers, it will come either stock (850MHz) or overclocked (900MHz+). The HD 4890 will cost somewhere in the vicinity of $260.
- Fabrication Process: 55nm
- Transistors: 959m
- Stream processors: 800
- Texture Units: 40
- Maximum theoretical memory bandwidth: 115GB/s
- Maximum power consumption: 190W