| Release date | 2001-2003 2001 |
|---|---|
| Architecture | Kelvin |
| Fabrication process | 150 nm |
| API support | |
| DirectX | 8.0 |
| OpenGL | 1.2 (1.5) |
| History | |
| Predecessor | Celsius |
| Successor | Rankine |
| Support status | |
| Unsupported | |
Kelvin is the codename for a GPU microarchitecture developed by Nvidia, and released in 2001, as the successor to Celsius [1] microarchitecture. It was named with reference to William Thomson (Baron Kelvin) and used with the GeForce 4 and 3 series.
| Model | Launch | Code name | Fab (nm) | Bus interface | Core clock (MHz) | Memory clock (MHz) | Core config1 | Fillrate | Memory | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MOperations/s | MPixels/s | MTexels/s | MVertices/s | Size (MB) | Bandwidth (GB/s) | Bus type | Bus width (bit) | ||||||||
| GeForce3 Ti200 | October 1, 2001 | NV20 | TSMC 150 nm | AGP 4× PCI | 175 | 200 | 4:1:8:4 | 700 | 700 | 1400 | 42.75 | 64 128 | 6.4 | DDR | 128 |
| GeForce3 | February 27, 2001 | 200 | 230 | 800 | 800 | 1600 | 50 | 64 | 7.36 | ||||||
| GeForce3 Ti500 | October 1, 2001 | 240 | 250 | 960 | 960 | 1920 | 60 | 64 128 | 8 | ||||||
| Model | Launch | Code name | Fab (nm) | Bus interface | Core clock (MHz) | Memory clock (MHz) | Core config1 | Fillrate | Memory | Supported API version | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MOperations/s | MPixels/s | MTexels/s | MVertices/s | Size (MB) | Bandwidth (GB/s) | Bus type | Bus width (bit) | Direct3D | OpenGL | ||||||||
| GeForce4 MX IGP + nForce2 | October 1, 2002 | NV1F | TSMC 150 nm | FSB | 250 | 133 200[ citation needed ] | 2:0:4:2 | 500 | 500 | 1000 | 0 | Up to 128 system RAM | 2.128 6.4[ citation needed ] | DDR | 64 128 | 7.0 | 1.2 |
| GeForce4 MX420 | February 6, 2002 | NV17 | AGP 4× PCI | 166 | 64 | 2.656 | SDR DDR | 128 (SDR) 64 (DDR) | |||||||||
| GeForce4 MX440 SE | 2002 | 64 128 | 5.312 | DDR | 128 | ||||||||||||
| GeForce MX4000 | December 14, 2003 | NV18B | AGP 8× PCI | 2.656 | 64 | ||||||||||||
| GeForce PCX4300 | February 19, 2004 | PCIe ×16 | 128 | ||||||||||||||
| GeForce4 MX440 | February 6, 2002 | NV17 | AGP 4× PCI | 275 | 200 | 550 | 550 | 1100 | 64 128 | 6.4 | 128 | ||||||
| GeForce4 MX440 8x | September 25, 2002 | NV18 | AGP 8× PCI | 250 | 8 | ||||||||||||
| GeForce4 MX460 | February 6, 2002 | NV17 | AGP 4× PCI | 300 | 275 | 600 | 600 | 1200 | |||||||||
| GeForce4 Ti4200 | April 16, 2002 | NV25 | AGP 4× | 250 | 222 (128 MB) 250 (64 MB) | 4:2:8:4 | 1000 | 1000 | 2000 | 125 | 7.104 (128 MB) 8 (64 MB) | 8.0a | 1.3 | ||||
| GeForce4 Ti4200 8x | September 25, 2002 | NV28 | AGP 8× | 250 | 128 | 8 | |||||||||||
| GeForce4 Ti4400 | February 6, 2002 | NV25 | AGP 4× | 275 | 275 | 1100 | 1100 | 2200 | 137.5 | 8.8 | |||||||
| GeForce4 Ti4400 8x (Ti4800SE2) | January 20, 2003 | NV28 | AGP 8× | ||||||||||||||
| GeForce4 Ti4600 | February 6, 2002 | NV25 | AGP 4× | 300 | 325 | 1200 | 1200 | 2400 | 150 | 10.4 | |||||||
| GeForce4 Ti4600 8x (Ti48003) | January 20, 2003 | NV28 | AGP 8× | ||||||||||||||
| Model | Launch | Code name | Fab (nm) | Bus interface | Core clock (MHz) | Memory clock (MHz) | Core config1 | Fillrate | Memory | Supported API version | |||||||
| MOperations/s | MPixels/s | MTexels/s | MVertices/s | Size (MB) | Bandwidth (GB/s) | Bus type | Bus width (bit) | Direct3D | OpenGL | ||||||||
| Model | Features | |
|---|---|---|
| nFiniteFX II Engine | Video Processing Engine (VPE) | |
| GeForce4 MX420 | No | Yes |
| GeForce4 MX440 SE | No | Yes |
| GeForce4 MX4000 | No | Yes |
| GeForce4 PCX4300 | No | Yes |
| GeForce4 MX440 | No | Yes |
| GeForce4 MX440 8X | No | Yes |
| GeForce4 MX460 | No | Yes |
| GeForce4 Ti4200 | Yes | No |
| GeForce4 Ti4200 8x | Yes | No |
| GeForce4 Ti4400 | Yes | No |
| GeForce4 Ti4400 8x | Yes | No |
| GeForce4 Ti4600 | Yes | No |
| GeForce4 Ti4600 8x | Yes | No |
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