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Differences What are the advantages of each

Front view of Radeon HD 3870 X2

Reasons to consider the
ATi Radeon HD 3870 X2

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Much wider memory bus 512 bit vs 256 bit 2x wider memory bus
Front view of GeForce GTX 1080

Reasons to consider the
Nvidia GeForce GTX 1080

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Much better PassMark score 11,994 vs 872 More than 13.8x better PassMark score
Much higher effective memory clock speed 10,008 MHz vs 1,802 MHz More than 5.5x higher effective memory clock speed
Much higher clock speed 1,607 MHz vs 825 MHz Around 95% higher clock speed
Much better floating-point performance 8,228 GFLOPS vs 1,056 GFLOPS More than 7.8x better floating-point performance
Much more memory 8,192 MB vs 1,024 MB 8x more memory
Much higher texture rate 257.1 GTexel/s vs 26.4 GTexel/s Around 9.8x higher texture rate
Much higher memory bandwidth 224.4 GB/s vs 115.32 GB/s Around 95% higher memory bandwidth
Much higher pixel rate 102.8 GPixel/s vs 26.4 GPixel/s Around 4x higher pixel rate
Much better cloud gate factor score 26.05 vs 10.96 Around 2.5x better cloud gate factor score
Many more texture mapping units 160 vs 32 128 more texture mapping units
Many more shading units 2,560 vs 640 1920 more shading units
Significantly more render output processors 64 vs 32 Twice as many render output processors
Significantly higher memory clock speed 1,251 MHz vs 901 MHz Around 40% higher memory clock speed

Benchmarks Real world tests of Radeon HD 3870 X2 vs GeForce GTX 1080

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Cloud Gate Factor Data courtesy FutureMark


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