ATI HD 4890 Expected in April
 

AMD is slated to launch the Radeon HD 4890 card based on the RV790 core in April not the rumored Radeon HD 4970. The RV790XT A11 sample is running at 850Mhz core at 1.3V and 975Mhz GDDR5 memory. In comparision, a Radeon HD 4870 (RV770) card runs at 750MHz core and 900MHz GDDR5 memory. AMD told their partners that RV790 is expected to be around 20% faster than the current Radeon HD 4870 RV770 card and will compete head on against the GeForce 285 GTX card. The pricing? Between US$199 to US$249.
http://vr-zone.com/articles/amd-to-l....html?doc=6578