GPUBoss Review Our evaluation of 940MX vs 840M among Laptop GPUs under 35W TDP

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan and Cloud Gate Factor

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more

Noise and Power

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

7.9

Overall Score

Winner
Nvidia GeForce 940MX 

GPUBoss recommends the Nvidia GeForce 940MX  based on its benchmarks and compute performance.

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VS

Nvidia GeForce 940MX

GPUBoss Winner
Front view of GeForce 940MX

Differences What are the advantages of each

Front view of GeForce 940MX

Reasons to consider the
Nvidia GeForce 940MX

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Better 3DMark 11 graphics score 14,211 vs 10,332 Around 40% better 3DMark 11 graphics score
Higher clock speed 1,122 MHz vs 1,029 MHz Around 10% higher clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
Better manhattan score 3,551.65 vs 2,571 Around 40% better manhattan score
Higher turbo clock speed 1,242 MHz vs 1,124 MHz More than 10% higher turbo clock speed
Better ocean surface simulation score 384.8 frames/s vs 159.36 frames/s Around 2.5x better ocean surface simulation score
Slightly better cloud gate factor score 12.04 vs 10.08 Around 20% better cloud gate factor score
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

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GPUBoss is not aware of any important advantages of the 840M vs the 940MX.

Benchmarks Real world tests of GeForce 940MX vs 840M

Bitcoin mining Data courtesy CompuBench

GeForce 940MX
103.76 mHash/s
GeForce 840M
92.89 mHash/s

Face detection Data courtesy CompuBench

GeForce 940MX
30.06 mPixels/s
GeForce 840M
22.54 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce 940MX
3,360.82
GeForce 840M
3,358

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce 940MX
3,551.65
GeForce 840M
2,571

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

GeForce 940MX
169.65
GeForce 840M
120.22

Thief

Battlefield 4

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