GPUBoss Review Our evaluation of 8870M 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

No winner declared

Too close to call

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VS

AMD Radeon HD 8870M

GPUBoss Winner
Front view of Radeon HD 8870M

Differences What are the advantages of each

Front view of Radeon HD 8870M

Reasons to consider the
AMD Radeon HD 8870M

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Better PassMark score 1,639 vs 879 More than 85% better PassMark score
Much higher battlefield 4 framerate 65.95 vs 11.2 Around 6x higher battlefield 4 framerate
Better 3DMark 11 graphics score 15,675 vs 10,332 More than 50% better 3DMark 11 graphics score
Higher effective memory clock speed 4,500 MHz vs 2,002 MHz Around 2.2x higher effective memory clock speed
Higher memory bandwidth 72 GB/s vs 16.02 GB/s Around 4.5x higher memory bandwidth
Better 3DMark vantage graphics score 10,181.5 vs 6,627 Around 55% better 3DMark vantage graphics score
Much higher diablo III framerate 54.2 fps vs 17.7 fps More than 3x higher diablo III framerate
More memory 2,048 MB vs 1,024 MB 2x more memory
Slightly better 3DMark06 score 2,986 vs 2,338 Around 30% better 3DMark06 score
Better ocean surface simulation score 465.5 frames/s vs 159.36 frames/s Around 3x better ocean surface simulation score
Higher crysis 3 framerate 10.1 fps vs 6.3 fps More than 60% higher crysis 3 framerate
More texture mapping units 40 vs 16 24 more texture mapping units
Slightly higher texture rate 31 GTexel/s vs 16.46 GTexel/s Around 90% higher texture rate
More render output processors 16 vs 8 Twice as many render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
More shading units 640 vs 384 256 more shading units
Better PassMark direct compute score 1,108 vs 726 Around 55% better PassMark direct compute score
Higher memory clock speed 1,125 MHz vs 1,001 MHz More than 10% higher memory clock speed
Slightly better cloud gate factor score 12.08 vs 10.08 Around 20% better cloud gate factor score
Higher BioShock infinite framerate 19.3 fps vs 13.5 fps Around 45% higher BioShock infinite framerate
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

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Much better T-Rex score 3,366.34 vs 2,077.4 More than 60% better T-Rex score
Significantly higher clock speed 1,029 MHz vs 725 MHz More than 40% higher clock speed
Significantly higher turbo clock speed 1,124 MHz vs 775 MHz More than 45% higher turbo clock speed

Benchmarks Real world tests of Radeon HD 8870M vs GeForce 840M

Bitcoin mining Data courtesy CompuBench

Radeon HD 8870M
106.85 mHash/s
GeForce 840M
94.68 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 8870M
24.1 mPixels/s
GeForce 840M
22.54 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 8870M
2,077.4
GeForce 840M
3,366.34

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 8870M
1,797.75
GeForce 840M
3,715.22

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 4

Bioshock Infinite

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