Fahrenheit (microarchitecture)
Appearance
![]() | This article's factual accuracy is disputed. (July 2023) |
Release date | 1998-1999 1998 |
---|---|
Architecture | Fahrenheit |
Fabrication process | 350 nm, 250nm |
API support | |
DirectX | 5.0 and 6.0 |
OpenGL | 1.0 and 1.2 |
Vulkan | None |
History | |
Successor | Celsius |
Support status | |
Unsupported |
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[a] | 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[a] | MOperations/s | MPixels/s | MTexels/s | MVertices/s | Size (MB) | Bandwidth (GB/s) | Bus type | Bus width (bit) | Direct3D | OpenGL |
Fillrate | Memory | API support |
See also
References
- ^ "TechPowerUp". TechPowerUp. Retrieved 21 February 2021.
- ^ "NVIDIA Riva TNT Specs". TechPowerUp. Retrieved 21 February 2021.
- ^ "NVIDIA Riva TNT2 Ultra Specs". TechPowerUp. Retrieved 21 February 2021.
- ^ a b c d e "NVIDIA Riva TNT 2 (Preview) - HardWare.fr". www.hardware.fr. Retrieved 21 February 2021.
- ^ a b "3D accelerator database". Vintage 3D. Archived from the original on 23 October 2018. Retrieved 21 July 2019.
- ^ "NVIDIA NV1 GPU Specs | TechPowerUp GPU Database".
- ^ "NVIDIA NV3 GPU Specs | TechPowerUp GPU Database".
- ^ "RIVA 128/ZX/TNT FAQ". Archived from the original on 16 June 2018. Retrieved 15 June 2018.
- ^ "NVIDIA NV4 GPU Specs | TechPowerUp GPU Database".
- ^ "NVIDIA NV5B GPU Specs | TechPowerUp GPU Database".