Comparison of AMD FirePro V7900 (FireGL V) and AMD FirePro V7800 (April, 2010)

Attribute	AMD FirePro V7900 (FireGL V) ×	AMD FirePro V7800 (April, 2010) ×
GPU
Release year (year)	2011	2010
GPU brand	AMD	ATI
GPU name	Cayman	Cypress
Clock speed (MHz)	725	700
Is dual GPU	-	-
Model	AMD FirePro V7900 (FireGL V)	AMD FirePro V7800 (April, 2010)
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	160	128
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,250	1,000
Effective memory clock speed (MHz)	5,000	4,000
Noise and power
TDP (W)	150	150
Raw performance
Pixel rate (GPixel/s)	23.2	22.4
Render output processors	32	32
Texture mapping units	80	72
Shading units	1,280	1,440
Floating-point performance (GFLOPS)	1,856	2,016
Compute units	20	18
Texture rate (GTexel/s)	58	50.4
Benchmarks
Particle simulation (mInteraction/s)	290.25	223.04
T-Rex (Compubench 1.5) (frames/s)	1.89	1.44
Video composition (frames/s)	67.75	36.66
3DMark 11 Graphics	3,370	3,400
CLBenchmark Raytrace	64,616	61,546
Face detection (mPixels/s)	19.05	13.23
Bitcoin mining (mHash/s)	299.32	173.32
Ocean surface simulation (frames/s)	945.64	1120.59