GPUBoss Review Our evaluation of 660 vs 940MX among all 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

Noise and Power

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

6.7

Overall Score

Winner
Nvidia GeForce GTX 660 

GPUBoss recommends the Nvidia GeForce GTX 660  based on its benchmarks and compute performance.

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VS

Differences What are the advantages of each

Front view of GeForce GTX 660

Reasons to consider the
Nvidia GeForce GTX 660

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Much better 3DMark06 score 18,060 vs 2,834.5 More than 6.2x better 3DMark06 score
Much higher memory bandwidth 179.2 GB/s vs 16.02 GB/s Around 11.2x higher memory bandwidth
Better PassMark score 4,121 vs 1,225 More than 3.2x better PassMark score
Better 3DMark vantage graphics score 25,130 vs 7,646 More than 3.2x better 3DMark vantage graphics score
Significantly higher effective memory clock speed 5,600 MHz vs 2,002 MHz More than 2.8x higher effective memory clock speed
Higher texture rate 79 GTexel/s vs 26.93 GTexel/s Around 3x higher texture rate
More texture mapping units 96 vs 24 72 more texture mapping units
Better floating-point performance 1,896.2 GFLOPS vs 861.7 GFLOPS Around 2.2x better floating-point performance
Significantly better fire strike factor score 44.27 vs 13.57 More than 3.2x better fire strike factor score
More render output processors 32 vs 8 24 more render output processors
More shading units 1,152 vs 384 Three times as many shading units
Higher pixel rate 19.75 GPixel/s vs 8.98 GPixel/s Around 2.2x higher pixel rate
Higher memory clock speed 1,400 MHz vs 1,001 MHz Around 40% higher memory clock speed
Higher bioshock infinite framerate 57 vs 15.3 Around 3.8x higher bioshock infinite framerate
Better PassMark direct compute score 1,948 vs 912 Around 2.2x better PassMark direct compute score
Front view of GeForce 940MX

Reasons to consider the
Nvidia GeForce 940MX

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Higher clock speed 1,122 MHz vs 823 MHz More than 35% higher clock speed
Better 3DMark 11 graphics score 14,211 vs 6,850 More than 2x better 3DMark 11 graphics score
Higher turbo clock speed 1,242 MHz vs 888 MHz Around 40% higher turbo clock speed
Significantly lower TDP 23W vs 130W 5.7x lower TDP

Benchmarks Real world tests of GeForce GTX 660 vs 940MX

Bitcoin mining Data courtesy CompuBench

GeForce GTX 660
61.56 mHash/s
GeForce 940MX
103.76 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 660
28.98 mPixels/s
GeForce 940MX
30.06 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 660
3,342.27
GeForce 940MX
3,361.86

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 660
3,711.2
GeForce 940MX
3,545.86

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Bioshock Infinite

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