GPUBoss Review Our evaluation of 850M vs 580M 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

No winner declared

Too close to call

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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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Significantly higher clock speed 902 MHz vs 620 MHz More than 45% higher clock speed
Better 3DMark06 score 4,385.5 vs 3,116.5 More than 40% better 3DMark06 score
Higher memory clock speed 1,001 MHz vs 750 MHz Around 35% higher memory clock speed
More shading units 640 vs 384 256 more shading units
Better T-Rex score 2.43 frames/s vs 1.83 frames/s Around 35% better T-Rex score
Better PassMark direct compute score 1,215 vs 954 More than 25% better PassMark direct compute score
Lower TDP 45W vs 100W 2.2x lower TDP
Front view of GeForce GTX 580M

Reasons to consider the
Nvidia GeForce GTX 580M

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Much better T-Rex score 3,358.98 vs 2,606.42 Around 30% better T-Rex score
Better PassMark score 2,286 vs 1,499 Around 55% better PassMark score
Better 3DMark 11 graphics score 20,550.5 vs 16,135 More than 25% better 3DMark 11 graphics score
Higher memory bandwidth 96 GB/s vs 32 GB/s 3x higher memory bandwidth
Higher effective memory clock speed 3,000 MHz vs 2,002 MHz Around 50% higher effective memory clock speed
More render output processors 32 vs 16 Twice as many render output processors
Significantly wider memory bus 256 bit vs 128 bit 2x wider memory bus
More texture mapping units 64 vs 40 24 more texture mapping units
Higher diablo III framerate 70.9 fps vs 61 fps More than 15% higher diablo III framerate

Benchmarks Real world tests of GeForce GTX 850M vs 580M

Bitcoin mining Data courtesy CompuBench

GeForce GTX 850M
150.96 mHash/s
GeForce GTX 580M
67.21 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 850M
37.72 mPixels/s
GeForce GTX 580M
24.42 mPixels/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

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