Comparison of GeForce GT 640M LE and AMD Firepro M4100 FireGL V

Attribute	AMD Firepro M4100 FireGL V ×	GeForce GT 640M LE ×
GPU
Release year (year)	2013	2012
Reference card	-	Nvidia GeForce GT 640M LE 500 MHz 1 GB
GPU brand	AMD	Nvidia
GPU name	Mars	GK107
Market	Laptop	Laptop
Clock speed (MHz)	670	500
Is dual GPU	-	-
Model	AMD Firepro M4100 FireGL V	GeForce GT 640M LE
Memory
Memory (MB)	2,048	1,024
Memory bandwidth (GB/s)	64	64
Memory bus (bit)	128	128
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,000	1,000
Effective memory clock speed (MHz)	4,000	4,000
Noise and power
TDP (W)	-	20
Raw performance
Pixel rate (GPixel/s)	5.36	4
Render output processors	8	16
Texture mapping units	24	32
Shading units	384	384
Floating-point performance (GFLOPS)	515	384
Compute units	6	-
Texture rate (GTexel/s)	16.08	16
Benchmarks
Metro: Last Light	8	-
FarCry 3	5	-
Battlefield 3	-	8.9
Dirt3	-	16.8
Bioshock Infinite	9	-
Face detection (mPixels/s)	15.91	6.49
T-Rex (GFXBench 3.0)	2,308	2181.42
Manhattan (GFXBench 3.0)	1706.59	1573.09
Bitcoin mining (mHash/s)	74.16	13.95
Sky Diver Factor	-	89.49
Fire Strike Factor	-	14.11
Ocean surface simulation (frames/s)	432.12	-