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.

Graphics features

Model	Launch	Code name	Fab (nm)	Transistors (million)	Die size (mm²)	Bus interface	Core clock (MHz)	Memory clock (MHz)	Core config¹	Fillrate				Memory				API support
Model	Launch	Code name	Fab (nm)	Transistors (million)	Die size (mm²)	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)	Direct3D	OpenGL
Riva TNT	June 15, 1998	NV4	TSMC 350 nm	7	90	AGP 2×, PCI	90	110	2:2:2	180	180	180	0	8 16	1.76	SDR	128	6.0	1.2
Vanta	March 22, 1999	NV6	TSMC 250 nm	?		AGP 4×, PCI	100	125		200	200	200		16	1		64
Vanta LT	March 2000					AGP 2×	80	100		160	160	160		8 16	0.8
Riva TNT2 M64	October 1999					AGP 4×, PCI	125	150		250	250	250		8 16 32	1.2
Riva TNT2	March 15, 1999	NV5		15	90		125	150		250	250	250		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)	Transistors (million)	Die size (mm²)	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)	Direct3D	OpenGL
Model	Launch	Code name	Fab (nm)	Transistors (million)	Die size (mm²)	Bus interface	Core clock (MHz)	Memory clock (MHz)	Core config¹	Fillrate				Memory				API support

"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.
"NVIDIA Riva TNT 2 (Preview) - HardWare.fr". www.hardware.fr. Retrieved 21 February 2021.

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