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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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Much higher clock speed 902 MHz vs 425 MHz More than 2x higher clock speed
Better 3DMark vantage graphics score 14,358.5 vs 7,879 More than 80% better 3DMark vantage graphics score
Better 3DMark06 score 4,385.5 vs 2,184.5 More than 2x better 3DMark06 score
Better floating-point performance 1,154.6 GFLOPS vs 598.4 GFLOPS Around 95% better floating-point performance
Significantly higher memory clock speed 1,001 MHz vs 600 MHz More than 65% higher memory clock speed
Higher texture rate 36.1 GTexel/s vs 18.7 GTexel/s Around 95% higher texture rate
More shading units 640 vs 352 288 more shading units
Better PassMark direct compute score 1,215 vs 765 Around 60% better PassMark direct compute score
Slightly better sky diver factor score 225.07 vs 168.32 Around 35% better sky diver factor score
Lower TDP 45W vs 100W 2.2x lower TDP
Front view of GeForce GTX 480M

Reasons to consider the
Nvidia GeForce GTX 480M

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Better PassMark score 2,021 vs 1,499 Around 35% better PassMark score
Higher memory bandwidth 76.8 GB/s vs 32 GB/s Around 2.5x higher memory bandwidth
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

Benchmarks Real world tests of GeForce GTX 850M vs 480M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

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

Sky Diver Factor Data courtesy FutureMark

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

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