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Differences What are the advantages of each

Front view of Radeon HD 6850M

Reasons to consider the
AMD Radeon HD 6850M

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Significantly better 3DMark 11 graphics score 9,336 vs 888 More than 10.5x better 3DMark 11 graphics score
More memory 2,048 MB vs 1,024 MB 2x more memory
Better floating-point performance 920 GFLOPS vs 258.05 GFLOPS More than 3.5x better floating-point performance
More shading units 800 vs 96 704 more shading units
Higher memory bandwidth 51.2 GB/s vs 28.8 GB/s Around 80% higher memory bandwidth
More render output processors 16 vs 4 12 more render output processors
Slightly higher pixel rate 9.2 GPixel/s vs 2.69 GPixel/s Around 3.5x higher pixel rate
More texture mapping units 40 vs 16 24 more texture mapping units
Front view of GeForce GT 540M

Reasons to consider the
Nvidia GeForce GT 540M

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Much better 3DMark06 score 7,986 vs 1,469.5 Around 5.5x better 3DMark06 score
Higher clock speed 672 MHz vs 575 MHz More than 15% higher clock speed
Higher memory clock speed 900 MHz vs 800 MHz Around 15% higher memory clock speed
Slightly lower TDP 35W vs 50W 30% lower TDP

Benchmarks Real world tests of Radeon HD 6850M vs GeForce GT 540M

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

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

3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

CLBenchmark Raytrace Measures compute performance using OpenCL to do raytracing


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