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Differences What are the advantages of each

Front view of Radeon HD 7550M

Reasons to consider the
AMD Radeon HD 7550M

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Better 3DMark 11 graphics score 4,932 vs 1,873 Around 2.8x better 3DMark 11 graphics score
Higher effective memory clock speed 3,200 MHz vs 1,802 MHz Around 80% higher effective memory clock speed
Lower TDP 14W vs 45W 3.2x lower TDP
Front view of GeForce GT 740M

Reasons to consider the
Nvidia GeForce GT 740M

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Much better 3DMark06 score 10,161 vs 756 Around 13.5x better 3DMark06 score
Significantly higher clock speed 810 MHz vs 450 MHz 80% higher clock speed
Better PassMark score 772 vs 443 Around 75% better PassMark score
Better 3DMark vantage graphics score 5,459 vs 2,433 Around 2.2x better 3DMark vantage graphics score
More memory 2,048 MB vs 1,024 MB 2x more memory
Slightly higher texture rate 25.92 GTexel/s vs 11 GTexel/s More than 2.2x higher texture rate
More render output processors 16 vs 8 Twice as many render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Better PassMark direct compute score 723 vs 283 More than 2.5x better PassMark direct compute score
Slightly more texture mapping units 32 vs 20 12 more texture mapping units
Higher memory clock speed 901 MHz vs 800 MHz Around 15% higher memory clock speed

Benchmarks Real world tests of Radeon HD 7550M vs GeForce GT 740M

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

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


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