| Release date | 1999-2005 1999 |
|---|---|
| Architecture | Celsius |
| Fabrication process | 220 nm, 180nm, 150 nm |
| API support | |
| DirectX | 7.0 |
| OpenGL | 1.2 (1.5) |
| History | |
| Predecessor | Fahrenheit |
| Successor | Kelvin |
| Support status | |
| Unsupported | |
Celsius is the codename for a GPU microarchitecture developed by Nvidia, and released in 1999, as the successor to Fahrenheit (NV4, NV3...)[1] microarchitecture. It was named with reference to Celsius and used with the GeForce 256 and GeForce 2 series.
| Model | Launch | Code name | Fab (nm) | Bus interface | Core clock (MHz) | Memory clock (MHz) | Core config1 | Fillrate | Memory | Processing power (GFLOPS) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MOperations/s | MPixels/s | MTexels/s | MVertices/s | Size (MB) | Bandwidth (GB/s) | Bus type | Bus width (bit) | Single precision | ||||||||
| GeForce 256 SDR | 11 October 1999 | NV10 | TSMC 220 nm | AGP 4×
PCI |
120 | 166 | 4:4:4 | 480 | 480 | 480 | 0 | 32
64 |
2.656 | SDR | 128 | 50 |
| GeForce 256 DDR | 13 December 1999 | 150 | 4.8 | DDR | ||||||||||||
| 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) | ||||||||
| GeForce2 MX IGP + nForce 220/420 | 4 June 2001 | NV1A (IGP) / NV11 (MX) | TSMC 180 nm | FSB | 175 | 133 | 2:4:2 | 350 | 350 | 700 | 0 | Up to 32 system RAM | 2.128
4.256 |
DDR | 64
128 |
| GeForce2 MX200 | 3 March 2001 | AGP 4×
PCI |
166 | 32
64 |
1.328 | SDR | 64 | ||||||||
| GeForce2 MX | 28 June 2000 | 2.656 | 128 | ||||||||||||
| GeForce2 MX400 | 3 March 2001 | 200 | 166,200 (SDR)
166 (DDR) |
400 | 400 | 800 | 2.656, 3.200 | SDR
DDR |
128 (SDR)
64 (DDR) | ||||||
| GeForce2 GTS | 26 April 2000 | NV15 | AGP 4× | 166 | 4:8:4 | 800 | 800 | 1600 | 5.312 | DDR | 128 | ||||
| GeForce2 Pro | 5 December 2000 | 200 | 6.4 | ||||||||||||
| GeForce2 Ti | 1 October 2001 | TSMC 150 nm | 250 | 1000 | 1000 | 2000 | |||||||||
| GeForce2 Ultra | 14 August 2000 | NV16 | TSMC 180 nm | 230 | 64 | 7.36 | |||||||||
| Model | Launch | Code name | Fab (nm) | Bus interface | Core clock (MHz) | Memory clock (MHz) | Core config1 | MOperations/s | MPixels/s | MTexels/s | MVertices/s | Size (MB) | Bandwidth (GB/s) | Bus type | Bus width (bit) |
| Fillrate | Memory | ||||||||||||||