It seems that SemiAccurate may be right that NVIDIA is planning to release their flagship GeForce 600 series card soon. Kepler GK104 is to be named GeForce GTX 680.
Previous rumors were almost accurate. GeForce GTX 680 is to hold 1536 CUDA processors. Card will be equipped with 2GB of GDDR5 memory on 256-bit bus. Core clock will be set to 705 MHz, while shader will be clocked at 1411 MHz. The most important part is the fact that NVIDIA will retain the shader hotclocks, however, architecture will be much different than Fermi cards. What is also important is the memory clock which is to be set around 6Hz. Memory bandwidth should be equal to GeForce GTX 580 – 192 GB/s.
GeForce GTX 680 will be equipped with 4 display outputs: dual DVI, HDMi and DisplayPort. User from XtremeSystems forums has made a comparison of GK104 gpu die to Tahiti’s. It appears it’s slightly smaller. Card should support 4-way SLI.
NVIDIA will launch GeForce GTX 680 on 12th March, official release should take place on 23rd March.
UPDATE: It appears that this card will most likely be named GeForce GTX 670 Ti, not GTX 680.
| Specification | GeForce GTX 680 | GeForce GTX 580 |
|---|---|---|
| Core Clock | 705 MHz | 772 MHz |
| Shaders Clock | 1411 MHz | 1544MHz |
| Memory Clock | 1500 MHz (6 GHz effective) | 1002 MHz (4 GHz effective) |
| Memory Type | 2GB GDDR5 | 1.5GB GDDR5 |
| Memory Interface | 256-bit | 384-bit |
| Memory Bandwidth | 192 GB/s | 192 GB/s |
| CUDA cores | 1536 | 512 |
| Texture Units | 128 | 128 |
| Raster Operating Units | 32 | 48 |
| Max Power Draw | 255 W | 244 |
- READ MORE (Source): NVIDIA GeForce GTX 680 Specifications Revealed by VR-Zone.com
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