While GeForce GTX 680 was based on GK104-400-A2 GPU, GTX 670 will be based on GK104-335-A2. As sources say, NVIDIA will prepare another two cards based on GK104 core, one for $249 and GTX 670 for $399.
GeForce GTX 670 will have one SMX cluster less than GTX 680 card. This makes 1344 CUDA cores in total, 112 Texture Units and 32 Raster Operating units. Card will be released with the same memory as GTX 680 — 2GB of GDDR5 on 256-bit interface.
Card will require two 6-pin power connectors. GeForce GTX 670 board was highly modified (in comparison to GTX 680) and as sources say, it will have a length of GeForce GTS 450.
As WCCFTech reports, GeForce GTX 670 will have better performance than both Radeon HD 7950 and GeForce GTX 580. It will also provide better performance per watt. A 3DMark11 score on Extreme Preset is measured around X2600 marks.
NVIDIA may also release another GK104 based card, which would be GPU with 1152 CUDA cores (two disabled SMXs) and 192-bit interface. Suggested price for such SKU would be around $249.
- READ MORE (Source): NVIDIA GeForce GTX 670 “GK104-335-A2″ Specifications Detailed