Possible GTX 280 and 260 specs

There a lot of rumors about the specs of nvidia's upcoming video cards i.e. GTX 280/GTS 260, here are the possible specs with their expected price tag:

The GTX 280 works at 602MHz for the core, and it comes with 1GB of GDDR3 paired up with a 512-bit memory interface and clocked at 1,107MHz. It also has 240 stream processors and 32 ROPs with Shaders running at 1,296MHz, and should be priced around $600 at launch.

The GTX 260 works at 576MHz for the core. This card will have a 448-bit memory interface and it will come packed with 896MB of GDDR3 memory clocked at 896MHz. It will have 192 stream processors and 28 ROPs, with Shaders clocked at 999MHz, and a price of around $450 at launch.