GPUBoss Review Our evaluation of 720M 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

6.2

Overall Score

Winner
Nvidia GeForce 840M 

GPUBoss recommends the Nvidia GeForce 840M  based on its benchmarks and 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 720M

Reasons to consider the
Nvidia GeForce GT 720M

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More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly higher diablo III framerate 31.8 fps vs 17.7 fps Around 80% higher diablo III framerate
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

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Significantly higher clock speed 1,029 MHz vs 625 MHz Around 65% higher clock speed
Much higher dead space 3 framerate 24.5 fps vs 18.1 fps More than 35% higher dead space 3 framerate
Better PassMark score 879 vs 542 More than 60% better PassMark score
Better 3DMark 11 graphics score 10,332 vs 7,896 More than 30% better 3DMark 11 graphics score
Better 3DMark vantage graphics score 6,627 vs 3,931.5 Around 70% better 3DMark vantage graphics score
Better 3DMark06 score 2,338 vs 1,213 Around 95% better 3DMark06 score
Better floating-point performance 790.3 GFLOPS vs 240 GFLOPS More than 3.2x better floating-point performance
More shading units 384 vs 96 288 more shading units
Higher memory clock speed 1,001 MHz vs 800 MHz More than 25% higher memory clock speed
Better cloud gate factor score 10.08 vs 7.76 Around 30% better cloud gate factor score
Higher BioShock infinite framerate 13.5 fps vs 7.4 fps More than 80% higher BioShock infinite framerate
Slightly better PassMark direct compute score 726 vs 526 Around 40% better PassMark direct compute score

Benchmarks Real world tests of GeForce GT 720M vs 840M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

BioShock Infinite 1920 x 1080 - Ultra preset + DX11 (DDOF)

GeForce GT 720M
7.4 fps
GeForce 840M
13.5 fps

Dead Space 3 1920 x 1080 - Very High preset

GeForce GT 720M
18.1 fps
GeForce 840M
24.5 fps

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

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