GPUBoss Review Our evaluation of 5870 vs 660M among Laptop GPUs over 35W TDP

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Sky Diver Factor and Fire Strike Factor

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 31 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 31 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

Winner
Nvidia GeForce GTX 660M 

GPUBoss recommends the Nvidia GeForce GTX 660M  based on its compute performance.

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VS

Differences What are the advantages of each

Front view of Mobility Radeon HD 5870

Reasons to consider the
ATI Mobility Radeon HD 5870

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Better 3DMark 11 graphics score 12,830.5 vs 2,369 Around 5.5x better 3DMark 11 graphics score
Better floating-point performance 1,120 GFLOPS vs 641.3 GFLOPS Around 75% better floating-point performance
More shading units 800 vs 384 416 more shading units
Higher pixel rate 11.2 GPixel/s vs 6.68 GPixel/s Around 70% higher pixel rate
Better bitcoin mining score 90.98 mHash/s vs 36.65 mHash/s Around 2.5x better bitcoin mining score
Slightly more texture mapping units 40 vs 32 8 more texture mapping units
Front view of GeForce GTX 660M

Reasons to consider the
Nvidia GeForce GTX 660M

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Higher clock speed 835 MHz vs 700 MHz Around 20% higher clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
Better 3DMark06 score 14,704 vs 12,830.5 Around 15% better 3DMark06 score
Significantly better CLBenchmark raytrace score 43,913 vs 30,649 Around 45% better CLBenchmark raytrace score

Benchmarks Real world tests of Mobility Radeon HD 5870 vs GeForce GTX 660M

Bitcoin mining Data courtesy CompuBench

Mobility Radeon HD 5870
90.98 mHash/s
GeForce GTX 660M
36.65 mHash/s

Face detection Data courtesy CompuBench

Mobility Radeon HD 5870
8.17 mPixels/s
GeForce GTX 660M
10.82 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Mobility Radeon HD 5870
584.1 frames/s
GeForce GTX 660M
405.77 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

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