They Hype of Nvidia latest upcoming generation CUDA architecture, code named “Fermi” is still there but the company is already planning to launch their mid and entry level graphics cards NVIDIA GeForce GTS 450, 440 and 430 in June 2010.
3Dcenter mention on their website that three of these cards will use 40nm GF104 core with up to 256 shader cores, 64 TMUs, 32 ROPs and a 256-bit memory bus. GTS 430 will offer 92 shader cores, 48 TMUs, 24 ROPs and have a 192-bit memory bus.
NVIDIA GeForce GTS 450, 440 will use GF104 & will directly compete ATI Radeon HD 5830 and HD 5770 respectively.
Source: 3dcenter