PC Stats has some specifications of NVIDIA his NV36, the GeForce FX 5700. The 5700 has an reworked 5600 core, with faster DDR2 memory with a 128-bit bus.
With the GeForce FX 5700 NVIDIA will not follow its typical strategy exactly; there will be a number of speed-versions for the GeForce FX 5700 from various graphics cards makers, not only one or two, as NVIDIA typically offers. For instance, Albatron will release its FX5700PV and FX5700UV graphics cards with 450MHz speed for core and 500MHz for 128MB of DDR-II SDRAM memory. Chaintech, on the other hand, will have its GeForce FX 5700 aka NV36 running at 475MHz core and 475MHz memory.