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Differences What are the advantages of each

Front view of GeForce GTX 775M Mac

Reasons to consider the
Nvidia GeForce GTX 775M Mac

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Higher memory bandwidth 160 GB/s vs 80 GB/s 2x higher memory bandwidth
Better floating-point performance 2,142.3 GFLOPS vs 833.3 GFLOPS More than 2.5x better floating-point performance
Higher texture rate 89.3 GTexel/s vs 34.7 GTexel/s More than 2.5x higher texture rate
Significantly more texture mapping units 112 vs 32 80 more texture mapping units
More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly more shading units 1,344 vs 384 960 more shading units
Higher pixel rate 22.32 GPixel/s vs 8.68 GPixel/s More than 2.5x higher pixel rate
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
Better face detection score 30.36 mPixels/s vs 10.24 mPixels/s Around 3x better face detection score
Front view of GeForce GT 755M Mac

Reasons to consider the
Nvidia GeForce GT 755M Mac

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Significantly higher clock speed 1,085 MHz vs 797 MHz More than 35% higher clock speed
Lower TDP 50W vs 100W 2x lower TDP

Benchmarks Real world tests of GeForce GTX 775M Mac vs GT 755M Mac

Bitcoin mining Data courtesy CompuBench

GeForce GTX 775M Mac
66.6 mHash/s
GeForce GT 755M Mac
19.14 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 775M Mac
30.36 mPixels/s
GeForce GT 755M Mac
10.24 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GTX 775M Mac
1,075.94 frames/s
GeForce GT 755M Mac
393.81 frames/s

Particle simulation Data courtesy CompuBench

GeForce GTX 775M Mac
280.4 mInteraction/s
GeForce GT 755M Mac
143 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

GeForce GTX 775M Mac
3.11 frames/s
GeForce GT 755M Mac
0.97 frames/s

Video composition Data courtesy CompuBench

GeForce GTX 775M Mac
56.67 frames/s
GeForce GT 755M Mac
18.79 frames/s

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