Xbitlabs reports that specifications of some actual graphics cards based on NVIDIA?s upcoming NV36 graphics processor for performance-mainstream market transpired in the web this week. The solutions based on the GeForce FX 5700 will feature a little-bit reworked GeForce FX 5600 GPU running at higher speed and DDR-II memory with 128-bit bus. NVIDIA decided not to cope with 256-bit design this year for mainstream solutions probably because it is more efficient from economic point of view to use newer and faster memory on conventional 128-bit channels.