GPUBoss Review Our evaluation of 540M vs 840M 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

6

Overall Score

Winner
Nvidia GeForce 840M 

GPUBoss recommends the Nvidia GeForce 840M  based on its compute performance.

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VS
Front view of GeForce 840M

Nvidia GeForce 840M

GPUBoss Winner

Differences What are the advantages of each

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 2,338 Around 3.5x better 3DMark06 score
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

Report a correction
Significantly higher clock speed 1,029 MHz vs 672 MHz Around 55% higher clock speed
Significantly better 3DMark 11 graphics score 10,332 vs 888 Around 11.8x better 3DMark 11 graphics score
Better 3DMark vantage graphics score 6,627 vs 3,551 More than 85% better 3DMark vantage graphics score
Slightly better PassMark score 879 vs 650 More than 35% better PassMark score
Significantly better T-Rex score 3,366.34 vs 2,812.35 Around 20% better T-Rex score
Slightly better floating-point performance 790.3 GFLOPS vs 258.05 GFLOPS More than 3x better floating-point performance
Better particle simulation score 184.99 mInteraction/s vs 39.35 mInteraction/s Around 4.8x better particle simulation score
More shading units 384 vs 96 288 more shading units
Better PassMark direct compute score 726 vs 337 Around 2.2x better PassMark direct compute score
Slightly better cloud gate factor score 10.08 vs 7.97 More than 25% better cloud gate factor score
Higher memory clock speed 1,001 MHz vs 900 MHz More than 10% higher memory clock speed

Benchmarks Real world tests of GeForce GT 540M vs 840M

Bitcoin mining Data courtesy CompuBench

GeForce GT 540M
16.75 mHash/s
GeForce 840M
94.68 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 540M
4.43 mPixels/s
GeForce 840M
22.54 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GT 540M
195.8 frames/s
GeForce 840M
159.36 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 540M
2,812.35
GeForce 840M
3,366.34

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 540M
1,745.99
GeForce 840M
3,706.04

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

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