GPUBoss Review Our evaluation of 640M vs 540M among Laptop GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

5.9

Overall Score

Winner
Nvidia GeForce GT 640M 

GPUBoss recommends the Nvidia GeForce GT 640M  based on its compute performance.

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VS

Differences What are the advantages of each

Front view of GeForce GT 640M

Reasons to consider the
Nvidia GeForce GT 640M

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Significantly better 3DMark 11 graphics score 10,625.5 vs 888 Around 12x better 3DMark 11 graphics score
Much higher dirt3 framerate 20.3 vs 13 More than 55% higher dirt3 framerate
Better PassMark score 932 vs 650 Around 45% better PassMark score
Better 3DMark vantage graphics score 6,348 vs 3,551 Around 80% better 3DMark vantage graphics score
More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly better manhattan score 3,590.88 vs 2,594.12 Around 40% better manhattan score
More render output processors 16 vs 4 12 more render output processors
More shading units 384 vs 96 288 more shading units
Better particle simulation score 97.1 mInteraction/s vs 39.35 mInteraction/s Around 2.5x better particle simulation score
More texture mapping units 32 vs 16 Twice as many texture mapping units
Front view of GeForce GT 540M

Reasons to consider the
Nvidia GeForce GT 540M

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Much better 3DMark06 score 7,986 vs 1,728 More than 4.5x better 3DMark06 score

Benchmarks Real world tests of GeForce GT 640M vs 540M

Bitcoin mining Data courtesy CompuBench

GeForce GT 640M
17.38 mHash/s
GeForce GT 540M
16.75 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 640M
7.86 mPixels/s
GeForce GT 540M
4.43 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 640M
3,339.75
GeForce GT 540M
3,068.37

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 640M
3,590.88
GeForce GT 540M
2,594.12

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

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