GPUBoss Review Our evaluation of 850M vs 660 among all 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

Noise and Power

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

6.9

Overall Score

Winner
Nvidia GeForce GTX 660 

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

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VS

Differences What are the advantages of each

Front view of GeForce GTX 850M

Reasons to consider the
Nvidia GeForce GTX 850M

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Better 3DMark 11 graphics score 16,135 vs 6,850 More than 2.2x better 3DMark 11 graphics score
Higher clock speed 902 MHz vs 823 MHz Around 10% higher clock speed
Lower TDP 45W vs 130W 2.9x lower TDP
Front view of GeForce GTX 660

Reasons to consider the
Nvidia GeForce GTX 660

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Much better 3DMark06 score 18,060 vs 4,385.5 More than 4x better 3DMark06 score
Better PassMark score 4,121 vs 1,499 Around 2.8x better PassMark score
Significantly higher effective memory clock speed 5,600 MHz vs 2,002 MHz More than 2.8x higher effective memory clock speed
Significantly higher memory bandwidth 179.2 GB/s vs 32 GB/s More than 5.5x higher memory bandwidth
Better 3DMark vantage graphics score 25,130 vs 14,358.5 More than 75% better 3DMark vantage graphics score
Much better manhattan score 12,983.16 vs 1,764.49 More than 7.2x better manhattan score
Much higher FarCry 3 framerate 80 vs 16.4 Around 5x higher FarCry 3 framerate
Higher texture rate 79 GTexel/s vs 36.1 GTexel/s Around 2.2x higher texture rate
More texture mapping units 96 vs 40 56 more texture mapping units
Slightly better floating-point performance 1,896.2 GFLOPS vs 1,154.6 GFLOPS Around 65% better floating-point performance
More render output processors 32 vs 16 Twice as many render output processors
Better fire strike factor score 44.27 vs 26.99 Around 65% better fire strike factor score
Higher memory clock speed 1,400 MHz vs 1,001 MHz Around 40% higher memory clock speed
More shading units 1,152 vs 640 512 more shading units
Better PassMark direct compute score 1,948 vs 1,215 More than 60% better PassMark direct compute score

Benchmarks Real world tests of GeForce GTX 850M vs 660

Bitcoin mining Data courtesy CompuBench

GeForce GTX 850M
150.96 mHash/s
GeForce GTX 660
67.94 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 850M
37.72 mPixels/s
GeForce GTX 660
30.41 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 850M
2,606.42
GeForce GTX 660
19,695.95

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 850M
1,764.49
GeForce GTX 660
12,983.16

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Bioshock Infinite

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