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Differences What are the advantages of each

Front view of GeForce GTX 775M

Reasons to consider the
Nvidia GeForce GTX 775M

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Significantly lower TDP 75W vs 230W 3.1x lower TDP
Front view of GeForce GTX 770

Reasons to consider the
Nvidia GeForce GTX 770

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Much better 3DMark06 score 29,690 vs 6,071 Around 5x better 3DMark06 score
Significantly higher clock speed 1,046 MHz vs 706 MHz Around 50% higher clock speed
Significantly higher effective memory clock speed 7,012 MHz vs 4,008 MHz Around 75% higher effective memory clock speed
Better PassMark score 6,099 vs 4,203 More than 45% better PassMark score
Significantly higher memory bandwidth 224 GB/s vs 96.2 GB/s More than 2.2x higher memory bandwidth
Better floating-point performance 3,213 GFLOPS vs 1,356 GFLOPS More than 2.2x better floating-point performance
Higher texture rate 134 GTexel/s vs 56.5 GTexel/s More than 2.2x higher texture rate
Higher pixel rate 33.5 GPixel/s vs 14.1 GPixel/s Around 2.5x higher pixel rate
Higher turbo clock speed 1,085 MHz vs 797 MHz More than 35% higher turbo clock speed
Significantly higher memory clock speed 1,753 MHz vs 1,002 MHz Around 75% higher memory clock speed
More texture mapping units 128 vs 80 48 more texture mapping units
More shading units 1,536 vs 960 576 more shading units
Better PassMark direct compute score 3,083 vs 1,910 More than 60% better PassMark direct compute score
More render output processors 32 vs 24 8 more render output processors

Benchmarks Real world tests of GeForce GTX 775M vs 770

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

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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