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

6.8

Overall Score

Winner
AMD Radeon HD 8870M 

GPUBoss recommends the AMD Radeon HD 8870M  based on its gaming and benchmarks.

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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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Significantly higher effective memory clock speed 4,500 MHz vs 2,002 MHz Around 2.2x higher effective memory clock speed
Better 3DMark 11 graphics score 15,675 vs 10,332 More than 50% better 3DMark 11 graphics score
Higher memory bandwidth 72 GB/s vs 16.02 GB/s Around 4.5x higher memory bandwidth
Better PassMark score 1,809 vs 861 More than 2x better PassMark score
More memory 2,048 MB vs 1,024 MB 2x more memory
Better 3DMark vantage graphics score 10,181.5 vs 6,627 Around 55% better 3DMark vantage graphics score
Much higher battlefield 4 framerate 65.95 vs 11.2 Around 6x higher battlefield 4 framerate
Higher texture rate 31 GTexel/s vs 16.46 GTexel/s Around 90% higher texture rate
More texture mapping units 40 vs 16 24 more texture mapping units
Significantly higher diablo III framerate 54.2 fps vs 17.7 fps More than 3x higher diablo III framerate
Better video composition score 38.13 frames/s vs 21 frames/s More than 80% better video composition score
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
Higher dead space 3 framerate 46.2 fps vs 24.5 fps Around 90% higher dead space 3 framerate
Better cloud gate factor score 11.82 vs 9.87 Around 20% better cloud gate factor score
Higher memory clock speed 1,125 MHz vs 1,001 MHz More than 10% higher memory clock speed
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

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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
90.87 mHash/s

Face detection Data courtesy CompuBench

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

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce 840M
3,359.61

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 8870M
3,715.76
GeForce 840M
3,718.04

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 4

Bioshock Infinite

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