Comparison of GeForce GT 640M LE and Barco MXRT-5400

Attribute	Barco MXRT-5400 ×	GeForce GT 640M LE ×
GPU
Release year (year)	2010	2012
Reference card	AMD FirePro V5800 (FireGL V)	Nvidia GeForce GT 640M LE 500 MHz 1 GB
GPU brand	ATI	Nvidia
GPU name	Juniper	GK107
Market	-	Laptop
Clock speed (MHz)	690	500
Is dual GPU	-	-
Model	Barco MXRT-5400	GeForce GT 640M LE
Memory
Memory (MB)	1,024	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)	74	20
Raw performance
Pixel rate (GPixel/s)	11.04	4
Render output processors	16	16
Texture mapping units	40	32
Shading units	800	384
Floating-point performance (GFLOPS)	1,104	384
Compute units	10	-
Texture rate (GTexel/s)	27.6	16
Benchmarks
Battlefield 3	-	8.9
Particle simulation (mInteraction/s)	166.87	-
T-Rex (Compubench 1.5) (frames/s)	1	-
Video composition (frames/s)	21.59	-
Dirt3	-	16.8
Face detection (mPixels/s)	8.32	6.49
T-Rex (GFXBench 3.0)	1679.85	2181.42
Manhattan (GFXBench 3.0)	1800.86	1573.09
Bitcoin mining (mHash/s)	99.72	13.95
Sky Diver Factor	-	89.49
Fire Strike Factor	-	14.11
Ocean surface simulation (frames/s)	517.29	-