GPUBoss Review Our evaluation of 750M vs 640M 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of GeForce GT 750M

Reasons to consider the
Nvidia GeForce GT 750M

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Much better 3DMark06 score 13,670 vs 1,728 Around 8x better 3DMark06 score
Significantly higher clock speed 941 MHz vs 625 MHz More than 50% higher clock speed
Much better T-Rex score 3,360.34 vs 3,339.75 Almost the same
Higher effective memory clock speed 4,000 MHz vs 1,800 MHz Around 2.2x higher effective memory clock speed
Better PassMark score 1,288 vs 932 Around 40% better PassMark score
Much higher crysis 3 framerate 16 vs 6.5 Around 2.5x higher crysis 3 framerate
Higher memory bandwidth 64 GB/s vs 28.8 GB/s Around 2.2x higher memory bandwidth
Slightly better 3DMark vantage graphics score 8,200 vs 6,348 Around 30% better 3DMark vantage graphics score
Much higher diablo III framerate 66.6 fps vs 42.7 fps More than 55% higher diablo III framerate
Higher crysis 3 framerate 9.85 fps vs 6.5 fps More than 50% higher crysis 3 framerate
Higher memory clock speed 1,000 MHz vs 900 MHz More than 10% higher memory clock speed
Slightly better PassMark direct compute score 733 vs 528 Around 40% better PassMark direct compute score
Front view of GeForce GT 640M

Reasons to consider the
Nvidia GeForce GT 640M

Report a correction
Better 3DMark 11 graphics score 10,625.5 vs 2,543 Around 4.2x better 3DMark 11 graphics score
Lower TDP 32W vs 50W More than 35% lower TDP

Benchmarks Real world tests of GeForce GT 750M vs 640M

Bitcoin mining Data courtesy CompuBench

GeForce GT 750M
27.59 mHash/s
GeForce GT 640M
17.38 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 750M
16.18 mPixels/s
GeForce GT 640M
7.86 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 750M
3,360.34
GeForce GT 640M
3,339.75

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 750M
3,570.08
GeForce GT 640M
3,590.88

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 4

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