Comparison of NVIDIA Quadro 4000 and NVIDIA Quadro 3000M (February, 2011)

Attribute	NVIDIA Quadro 4000 ×	NVIDIA Quadro 3000M (February, 2011) ×
GPU
Release year (year)	2010	2011
GPU brand	Nvidia	Nvidia
GPU name	GF100	GF104
Market	-	Laptop
Clock speed (MHz)	475	450
Is dual GPU	-	-
Model	NVIDIA Quadro 4000	NVIDIA Quadro 3000M (February, 2011)
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	89.9	80
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	702	625
Effective memory clock speed (MHz)	2,808	2,500
Noise and power
TDP (W)	142	75
Raw performance
Pixel rate (GPixel/s)	7.6	4.5
Render output processors	32	32
Texture mapping units	32	40
Shading units	256	240
Floating-point performance (GFLOPS)	486	432
Texture rate (GTexel/s)	15.2	18