Comparison of Radeon HD 5770 X2 and Radeon HD 5870 Eyefinity 6

Attribute	Radeon HD 5870 Eyefinity 6 ×	Radeon HD 5770 X2 ×
GPU
Release year (year)	2010	2010
Reference card	-	ATi Radeon HD 5770 X2 850 MHz 2 GB
GPU brand	ATI	ATI
GPU name	Cypress	Juniper
Market	Desktop	Desktop
Clock speed (MHz)	850	850
Is dual GPU	-	+
Model	Radeon HD 5870 Eyefinity 6	Radeon HD 5770 X2
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	153.6	153.6
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,200	1,200
Effective memory clock speed (MHz)	4,800	4,800
Noise and power
TDP (W)	228	-
Raw performance
Pixel rate (GPixel/s)	27.2	27.2
Render output processors	32	32
Texture mapping units	80	80
Shading units	1,600	1,600
Floating-point performance (GFLOPS)	2,720	2,720
Compute units	20	20
Texture rate (GTexel/s)	68	68