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Differences What are the advantages of each

Front view of Radeon R9 M380

Reasons to consider the
AMD Radeon R9 M380

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More memory 4,096 MB vs 2,048 MB 2x more memory
Higher clock speed 900 MHz vs 797 MHz Around 15% higher clock speed
Higher effective memory clock speed 6,000 MHz vs 5,000 MHz 20% higher effective memory clock speed
Higher memory clock speed 1,500 MHz vs 1,250 MHz 20% higher memory clock speed
Front view of GeForce GTX 775M Mac

Reasons to consider the
Nvidia GeForce GTX 775M Mac

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Significantly better PassMark score 4,203 vs 3,047 Around 40% better PassMark score
Much better manhattan score 3,716.26 vs 480.07 Around 7.8x better manhattan score
Higher memory bandwidth 160 GB/s vs 96 GB/s More than 65% higher memory bandwidth
Higher texture rate 89.3 GTexel/s vs 48 GTexel/s More than 85% higher texture rate
Significantly more texture mapping units 112 vs 48 64 more texture mapping units
Better floating-point performance 2,142.3 GFLOPS vs 1,536 GFLOPS Around 40% better floating-point performance
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
More shading units 1,344 vs 768 576 more shading units
Slightly higher pixel rate 22.32 GPixel/s vs 16 GPixel/s Around 40% higher pixel rate
Better particle simulation score 280.4 mInteraction/s vs 235.44 mInteraction/s Around 20% better particle simulation score
Better PassMark direct compute score 1,910 vs 1,515 More than 25% better PassMark direct compute score

Benchmarks Real world tests of Radeon R9 M380 vs GeForce GTX 775M Mac

Bitcoin mining Data courtesy CompuBench

Radeon R9 M380
193.9 mHash/s
GeForce GTX 775M Mac
66.6 mHash/s

Face detection Data courtesy CompuBench

Radeon R9 M380
35.81 mPixels/s
GeForce GTX 775M Mac
30.36 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon R9 M380
569.22 frames/s
GeForce GTX 775M Mac
1,075.94 frames/s

Particle simulation Data courtesy CompuBench

Radeon R9 M380
235.44 mInteraction/s
GeForce GTX 775M Mac
280.4 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon R9 M380
2.62 frames/s
GeForce GTX 775M Mac
3.11 frames/s

Video composition Data courtesy CompuBench

Radeon R9 M380
48.62 frames/s
GeForce GTX 775M Mac
56.67 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Manhattan (GFXBench 3.0) Data courtesy CompuBench

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