"According to info by our friends over at The Inquirer NVIDIA leaked info on their upcoming NextGen Geforce series.
So what we knew for a long time now still stands. The 2 new cores will be the GTX280 and the GTX260.
The GTX280 will have 240 stream processors aCore clock of 602MHz, a Stream Processors clock of 1296MHz and a memory clock of 1107MHz ( 2200MHz ). The memory used will be 1GB GDDR3 at 512b width. Finally the 280 has 32ROPs and feeds them with a six and eight-pin PCIe connectors.
The GTX260 is basically the same but with 192 SPs a Core Clock of 576MHz a Stream Processors clock of 1296MHz and a memory clock of 999MHz ( 2000MHz ). This time the memory used will be 896MBs GDDR3 at 448b width and thus it gets 24 ROPs.
Finally according to The Inquirer The 260 will be priced at $449 while its Big Brother the GTX280 will cost at around $600."