Celsius (microarchitecture)

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.

Graphics features

Model	Launch	Code name	Fab (nm)	Bus interface	Core clock (MHz)	Memory clock (MHz)	Core config¹	Fillrate				Memory				Processing power (GFLOPS)
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)	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	NV10	TSMC 220 nm	AGP 4× PCI	120	150	4:4:4	480	480	480	0	32 64	4.8	DDR	128	50

Model	Launch	Code name	Fab (nm)	Bus interface	Core clock (MHz)	Memory clock (MHz)	Core config¹	Fillrate				Memory
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)
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					166							2.656	SDR	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		800	800	1600			6.4
GeForce2 Ti	1 October 2001		TSMC 150 nm		250	200		1000	1000	2000			6.4
GeForce2 Ultra	14 August 2000	NV16	TSMC 180 nm		250	230		1000	1000	2000		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)
Model	Launch	Code name	Fab (nm)	Bus interface	Core clock (MHz)	Memory clock (MHz)	Core config¹	Fillrate				Memory

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"NVIDIA NV11 GPU Specs". TechPowerUp. Retrieved 15 February 2021.
"NVIDIA NV15 GPU Specs". TechPowerUp. Retrieved 15 February 2021.
"NVIDIA NV17 GPU Specs". TechPowerUp. Retrieved 15 February 2021.
"NVIDIA GeForce2 MX + nForce 220 Specs". TechPowerUp. Retrieved 15 February 2021.
"NVIDIA GeForce4 MX + nForce2 Specs". TechPowerUp. Retrieved 15 February 2021.

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