Comparison of GeForce GT 640M LE and AMD FirePro M2000

Attribute	GeForce GT 640M LE ×	AMD FirePro M2000 ×
GPU
Release year (year)	2012	2012
Reference card	Nvidia GeForce GT 640M LE 500 MHz 1 GB	-
GPU brand	Nvidia	AMD
GPU name	GK107	Turks
Market	Laptop	Laptop
Clock speed (MHz)	500	500
Is dual GPU	-	-
Model	GeForce GT 640M LE	AMD FirePro M2000
Memory
Memory (MB)	1,024	1,024
Memory bandwidth (GB/s)	64	25.6
Memory bus (bit)	128	64
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,000	800
Effective memory clock speed (MHz)	4,000	3,200
Noise and power
TDP (W)	20	33
Raw performance
Pixel rate (GPixel/s)	4	4
Render output processors	16	8
Texture mapping units	32	24
Shading units	384	480
Floating-point performance (GFLOPS)	384	480
Compute units	-	6
Texture rate (GTexel/s)	16	12
Benchmarks
Battlefield 3	8.9	-
Particle simulation (mInteraction/s)	-	72.17
T-Rex (Compubench 1.5) (frames/s)	-	0.31
Video composition (frames/s)	-	10.4
Dirt3	16.8	-
Face detection (mPixels/s)	6.49	3.28
T-Rex (GFXBench 3.0)	2181.42	1709.14
Manhattan (GFXBench 3.0)	1573.09	987.82
Bitcoin mining (mHash/s)	13.95	44.25
Sky Diver Factor	89.49	-
Fire Strike Factor	14.11	-
Ocean surface simulation (frames/s)	-	195.8