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Differences What are the advantages of each

Front view of GeForce GTX 480M

Reasons to consider the
Nvidia GeForce GTX 480M

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Significantly better PassMark score 2,021 vs 879 More than 2.2x better PassMark score
Better 3DMark 11 graphics score 15,066.5 vs 10,332 More than 45% better 3DMark 11 graphics score
Higher memory bandwidth 76.8 GB/s vs 16.02 GB/s More than 4.8x higher memory bandwidth
More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly more render output processors 32 vs 8 24 more render output processors
Much wider memory bus 256 bit vs 64 bit 4x wider memory bus
More texture mapping units 44 vs 16 28 more texture mapping units
Slightly better sky diver factor score 168.32 vs 120.22 More than 40% better sky diver factor score
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

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Much higher clock speed 1,029 MHz vs 425 MHz Around 2.5x higher clock speed
Significantly higher memory clock speed 1,001 MHz vs 600 MHz More than 65% higher memory clock speed
Lower TDP 33W vs 100W 3x lower TDP

Benchmarks Real world tests of GeForce GTX 480M vs 840M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance

GeForce GTX 480M
15,066.5
GeForce 840M
10,332

3DMark Vantage Graphics Industry standard benchmark that tests DirectX 10 GPU performance

3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance

Sky Diver Factor Data courtesy FutureMark

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

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