Based on the award winning RADEON X800 architecture and designed to closely adhere to Microsoft’s DirectX 9 specification, the RADEON X700 includes advanced architectural elements and features previously reserved for products twice the price of the RADEON X700. The eight pixel pipe and six vertex pipe architecture is unique for products in this class, enabling unprecedented processing power than any other mid-range priced graphics processors on the market.
The RADEON X700 products, built by either ATI or one of its board partners, are supported by ATI’s award winning CATALYST™ suite of software. CATALYST AI, a newly introduced feature of ATI’s software suite, allows customers to enjoy improved levels of performance and a better overall experience with today’s popular games. Users enable and control their preferred level of performance enhancement without having to sacrifice image quality.
This new mainstream card is the competitor of NVIDIA's GeForce 6600 and be priced as low as $149. Some more product details can be found here