Comparison of Radeon HD 7970 and Radeon HD 5870 Eyefinity 6

Attribute	Radeon HD 7970 ×	Radeon HD 5870 Eyefinity 6 ×
GPU
Release year (year)	2011	2010
GPU brand	AMD	ATI
GPU name	Tahiti XT	Cypress
Market	Desktop	Desktop
Clock speed (MHz)	925	850
Is dual GPU	-	-
Model	Radeon HD 7970	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)	250	228
Load power consumption (W)	391	-
Idle power consumption (W)	113	-
Load noise level (dB)	55.2	-
Idle noise level (dB)	40.2	-
Raw performance
Pixel rate (GPixel/s)	29.6	27.2
Render output processors	32	32
Texture mapping units	128	80
Shading units	2,048	1,600
Floating-point performance (GFLOPS)	3,789	2,720
Compute units	32	20
Texture rate (GTexel/s)	118.4	68
Benchmarks
Bioshock Infinite	78	-
Hitman: Absolution	73	-
Cloud Gate Factor	21.46	-
Face detection (mPixels/s)	49.05	-
Bitcoin mining (mHash/s)	447.28	-
Sky Diver Factor	380.04	-
Fire Strike Factor	62.9	-
Ocean surface simulation (frames/s)	261.64	-