Comparison of Radeon R9 285X and Radeon HD 5870 Eyefinity 6

Attribute	Radeon R9 285X ×	Radeon HD 5870 Eyefinity 6 ×
GPU
Release year (year)	2016	2010
GPU brand	AMD	ATI
GPU name	Tonga	Cypress
Market	-	Desktop
Clock speed (MHz)	1,002	850
Is dual GPU	-	-
Model	Radeon R9 285X	Radeon HD 5870 Eyefinity 6
Memory
Memory (MB)	3,072	2,048
Memory bandwidth (GB/s)	264	153.6
Memory bus (bit)	384	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,375	1,200
Effective memory clock speed (MHz)	5,500	4,800
Noise and power
TDP (W)	200	228
Raw performance
Pixel rate (GPixel/s)	32.1	27.2
Render output processors	32	32
Texture mapping units	128	80
Shading units	2,048	1,600
Floating-point performance (GFLOPS)	4,104	2,720
Compute units	32	20
Texture rate (GTexel/s)	128.3	68