Fahrenheit (microarchitecture)

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.

Nvidia Fahrenheit
Release date1998-1999 1998
ArchitectureFahrenheit
Fabrication process350 nm, 250nm
API support
Direct3D5.0 and 6.0
OpenGL1.0 and 1.2
VulkanNone
History
SuccessorCelsius
Support status
Unsupported

Graphics features

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. Pixel pipelines: texture mapping units: render output units

See also

References
  1. "TechPowerUp". TechPowerUp. Retrieved 21 February 2021.
  2. "NVIDIA Riva TNT Specs". TechPowerUp. Retrieved 21 February 2021.
  3. "NVIDIA Riva TNT2 Ultra Specs". TechPowerUp. Retrieved 21 February 2021.
  4. "NVIDIA Riva TNT 2 (Preview) - HardWare.fr". www.hardware.fr. Retrieved 21 February 2021.
  5. "3D accelerator database". Vintage 3D. Archived from the original on 23 October 2018. Retrieved 21 July 2019.
  6. "NVIDIA NV1 GPU Specs | TechPowerUp GPU Database".
  7. "NVIDIA NV3 GPU Specs | TechPowerUp GPU Database".
  8. "RIVA 128/ZX/TNT FAQ". Archived from the original on 16 June 2018. Retrieved 15 June 2018.
  9. "NVIDIA NV4 GPU Specs | TechPowerUp GPU Database".
  10. "NVIDIA NV5B GPU Specs | TechPowerUp GPU Database".
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.