GPUBoss Review Our evaluation of 8670M 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

5.8

Overall Score

Winner
Nvidia GeForce 840M 

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

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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 Radeon HD 8670M

Reasons to consider the
AMD Radeon HD 8670M

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More memory 2,048 MB vs 1,024 MB 2x more memory
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

Report a correction
Much better T-Rex score 3,359.62 vs 3,046.08 More than 10% better T-Rex score
Significantly higher clock speed 1,029 MHz vs 775 MHz Around 35% higher clock speed
Better 3DMark 11 graphics score 10,332 vs 4,670 Around 2.2x better 3DMark 11 graphics score
Better PassMark score 879 vs 513 More than 70% better PassMark score
Better 3DMark vantage graphics score 6,627 vs 3,410 Around 95% better 3DMark vantage graphics score
Better 3DMark06 score 2,338 vs 1,396 More than 65% better 3DMark06 score
Significantly higher turbo clock speed 1,124 MHz vs 825 MHz More than 35% higher turbo clock speed
Better particle simulation score 184.99 mInteraction/s vs 113.19 mInteraction/s Around 65% better particle simulation score
Higher metro: last light framerate 11.1 vs 4.7 More than 2.2x higher metro: last light framerate
Higher BioShock infinite framerate 13.5 fps vs 5.49 fps Around 2.5x higher BioShock infinite framerate
Slightly better cloud gate factor score 10.08 vs 8.08 Around 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 Radeon HD 8670M vs GeForce 840M

Bitcoin mining Data courtesy CompuBench

Radeon HD 8670M
71.7 mHash/s
GeForce 840M
94.68 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 8670M
7 mPixels/s
GeForce 840M
22.54 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 8670M
3,046.08
GeForce 840M
3,359.62

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 8670M
1,726.77
GeForce 840M
1,855.62

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Bioshock Infinite

Metro: Last Light

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