Fahrenheit (microarchitecture)
From HandWiki
| Release date | 1998-1999 1998 |
|---|---|
| Architecture | Fahrenheit |
| Fabrication process | 350 nm, 250nm |
| API support | |
| Direct3D | 5.0 and 6.0 |
| OpenGL | 1.0 and 1.2 |
| Vulkan | None |
| History | |
| Successor | Celsius |
Fahrenheit is the codename for a GPU microarchitecture developed by Nvidia, and released in 1998, as the successor to STG-2000, Riva 128 (NV1, NV2, NV3...) microarchitecture. It was named with reference to Fahrenheit[1] and used with STG-2000, Riva 128.
Graphics features
- DirectX 5.0 and 6.0[2][3]
- OpenGL 1.2
- Vertex shader: None
- Pixel shader: ?
- Z-buffer 24 bits[4]
- Up to 2048*2048 pixels texture size[4]
- 32-bit (truecolor) pixel format (add since Riva TNT)[4]
- AGP 4X support[4]
- Bump Mapping in single cycle[4]
- Up to 32MB video memory
GPU list
| Model | Launch | Code name | Fab (nm)[5] | Transistors (million) | Die size (mm2) | Bus interface | Core clock (MHz) | Memory clock (MHz) | Core config[lower-alpha 1] | Fillrate | Memory | API support | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MOperations/s | MPixels/s | MTexels/s | MVertices/s | Size (MB) | Bandwidth (GB/s) | Bus type | Bus width (bit) | Direct3D | OpenGL | ||||||||||
| STG-2000 | May 22, 1995 | NV1 | SGS 500 nm | 1[6] | 90 | PCI | 12 | 75 | 1:1:1 | 12 | 12 | 12 | 0 | 2 4 |
0.6 | EDO VRAM |
64 | 1.0 | n/a |
| Riva 128 | August 25, 1997 | NV3 | SGS 350 nm | 4[7] | 90 | AGP 1x,[8] PCI | 100 | 100 | 100 | 100 | 100 | 4 | 1.6 | SDR | 128 | 5.0 | 1.0 | ||
| Riva 128ZX | February 23, 1998 | SGS/TSMC 350 nm | AGP 2x, PCI | 8 | 1.6 | ||||||||||||||
| Riva TNT | June 15, 1998 | NV4 | TSMC 350 nm | 7[9] | 90 | 90 | 110 | 2:2:2 | 180 | 180 | 180 | 8 16 |
1.76 | 6.0 | 1.2 | ||||
| Vanta | March 22, 1999 | NV6 | TSMC 250 nm | AGP 4x, PCI | 100 | 125 | 200 | 200 | 200 | 8 16 |
1 | 64 | |||||||
| Vanta LT | March 2000 | AGP 2x | 80 | 100 | 160 | 160 | 160 | 8 16 |
0.8 | ||||||||||
| Riva TNT2 M64 | October 1999 | AGP 4x, PCI | 125 | 150 | 250 | 250 | 250 | 8 16 32 |
1.2 | ||||||||||
| Riva TNT2 | March 15, 1999 | NV5 | 15[10] | 90 | 16 32 |
2.4 | 128 | ||||||||||||
| Riva TNT2 Pro | October 12, 1999 | TSMC 220 nm | 143 | 166 | 286 | 286 | 286 | 16 32 |
2.656 | ||||||||||
| Riva TNT2 Ultra | March 15, 1999 | TSMC 250 nm | 150 | 183 | 300 | 300 | 300 | 16 32 |
2.928 | ||||||||||
| Model | Launch | Code name | Fab (nm)[5] | Transistors (million) | Die size (mm2) | Bus interface | Core clock (MHz) | Memory clock (MHz) | Core config[lower-alpha 1] | MOperations/s | MPixels/s | MTexels/s | MVertices/s | Size (MB) | Bandwidth (GB/s) | Bus type | Bus width (bit) | Direct3D | OpenGL |
| Fillrate | Memory | API support | |||||||||||||||||
- ↑ 1.0 1.1 Pixel pipelines: texture mapping units: render output units
See also
References
- ↑ "TechPowerUp" (in en). https://www.techpowerup.com/gpu-specs/?architecture=Fahrenheit&sort=generation.
- ↑ "NVIDIA Riva TNT Specs" (in en). https://www.techpowerup.com/gpu-specs/riva-tnt.c1308.
- ↑ "NVIDIA Riva TNT2 Ultra Specs" (in en). https://www.techpowerup.com/gpu-specs/riva-tnt2-ultra.c1302.
- ↑ 4.0 4.1 4.2 4.3 4.4 "NVIDIA Riva TNT 2 (Preview) - HardWare.fr". https://www.hardware.fr/articles/28-1/nvidia-riva-tnt-2-preview.html.
- ↑ 5.0 5.1 "3D accelerator database". http://vintage3d.org/dbn.php.
- ↑ "NVIDIA NV1 GPU Specs | TechPowerUp GPU Database". https://www.techpowerup.com/gpu-specs/nvidia-nv1.g596.
- ↑ "NVIDIA NV3 GPU Specs | TechPowerUp GPU Database". https://www.techpowerup.com/gpu-specs/nvidia-nv3.g227.
- ↑ "RIVA 128/ZX/TNT FAQ". http://www.nvidia.com/object/RIVA_128_FAQ.html.
- ↑ "NVIDIA NV4 GPU Specs | TechPowerUp GPU Database". https://www.techpowerup.com/gpu-specs/nvidia-nv4.g226.
- ↑ "NVIDIA NV5B GPU Specs | TechPowerUp GPU Database". https://www.techpowerup.com/gpu-specs/nvidia-nv5b.g333.
 |
