Comparison of GeForce GT 640 and ATI FirePro V7750

Attribute	GeForce GT 640 ×	ATI FirePro V7750 ×
GPU
Release year (year)	2012	2009
Reference card	Nvidia GeForce GT 640 902 MHz 2 GB	-
GPU brand	Nvidia	ATI
GPU name	GK107	RV730
Market	Desktop	-
Clock speed (MHz)	902	800
Is dual GPU	-	-
Model	GeForce GT 640	ATI FirePro V7750
Memory
Memory (MB)	1,024	1,024
Memory bandwidth (GB/s)	28.8	28.8
Memory bus (bit)	128	128
Memory type	DDR3	GDDR3
Memory clock speed (MHz)	900	900
Effective memory clock speed (MHz)	1,800	1,800
Noise and power
TDP (W)	65	76
Load power consumption (W)	208	-
Idle power consumption (W)	104	-
Load noise level (dB)	46.4	-
Idle noise level (dB)	46.4	-
Raw performance
Pixel rate (GPixel/s)	7.22	6.4
SMX units	2	-
Render output processors	16	8
Texture mapping units	32	32
Shading units	384	320
Floating-point performance (GFLOPS)	693	512
Compute units	-	4
Texture rate (GTexel/s)	28.86	25.6
Benchmarks
Metro: Last Light	28	-
Cloud Gate Factor	12.93	-
Battlefield 4	45	-
Face detection (mPixels/s)	11.31	-
Bitcoin mining (mHash/s)	20.86	-
Sky Diver Factor	143.75	-
Fire Strike Factor	16.68	-
Ocean surface simulation (frames/s)	209.1	-