Comparison of Radeon HD 5870 Eyefinity 6 and GeForce GTX 680 Mac

Attribute	GeForce GTX 680 Mac ×	Radeon HD 5870 Eyefinity 6 ×
GPU
Release year (year)	2013	2010
Reference card	Nvidia GeForce GTX 680 Mac Edition 1 GHz 2 GB	-
GPU brand	Nvidia	ATI
GPU name	GK104	Cypress
Market	Desktop	Desktop
Clock speed (MHz)	1,006	850
Turbo clock speed (MHz)	1,058	-
Is dual GPU	-	-
Model	GeForce GTX 680 Mac	Radeon HD 5870 Eyefinity 6
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	192.3	153.6
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,502	1,200
Effective memory clock speed (MHz)	6,008	4,800
Noise and power
TDP (W)	195	228
Raw performance
Pixel rate (GPixel/s)	32.2	27.2
SMX units	8	-
Render output processors	32	32
Texture mapping units	128	80
Shading units	1,536	1,600
Floating-point performance (GFLOPS)	3,090	2,720
Compute units	-	20
Texture rate (GTexel/s)	128.8	68