Codenamed Bonaire and with a part number of 7790 it is expected to cost around $155. Performance is likely to be about 3,000 3D Mark Fire Strike.
Nvidia is preparing a a part to ompete with it, codenamed 650Ti Boost. The unit is a 192 bit version of the 650Ti, but distributors are unhappy because it will interfere with 650Ti inventories. It is likely to cost $180 or so and also scores about 3,000 3D Mark Fire Strike.
Pre-orders for channel partners for the Bonaire part are expected to be available towards the end of March.