GeForce 6 series
| Top: Logo of the series Bottom: A Nvidia GeForce 6800 Ultra released in 2004, one of the series' highest-end models | |
| Release date | April 14, 2004 | 
|---|---|
| Codename | NV4x | 
| Architecture | Curie | 
| Models | GeForce nForce series 
 | 
| Cards | |
| Entry-level | 6100 6150 6200 6500 | 
| Mid-range | 6600 6700 | 
| High-end | 6800 | 
| Enthusiast | 6800 Ultra / Ultra Extreme | 
| API support | |
| OpenGL | OpenGL 2.1 | 
| History | |
| Predecessor | GeForce 5 series | 
| Successor | GeForce 7 series | 
| Support status | |
| Unsupported | |
The GeForce 6 series (codename NV40) is the sixth generation of Nvidia's GeForce line of graphics processing units. Launched on April 14, 2004, the GeForce 6 family introduced PureVideo post-processing for video, SLI technology, and Shader Model 3.0 support (compliant with Microsoft DirectX 9.0c specification and OpenGL 2.0).