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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
Higher pixel rate 26.4 GPixel/s vs 7.2 GPixel/s Around 3.8x higher pixel rate
Much wider memory bus 512 bit vs 192 bit Around 2.8x wider memory bus
Higher memory bandwidth 115.32 GB/s vs 98.5 GB/s More than 15% higher memory bandwidth
More shading units 640 vs 192 448 more shading units
More render output processors 32 vs 24 8 more render output processors
Front view of GeForce GTX 550 Ti

Reasons to consider the
Nvidia GeForce GTX 550 Ti

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Significantly higher effective memory clock speed 4,104 MHz vs 1,802 MHz More than 2.2x higher effective memory clock speed
Better PassMark score 1,926 vs 872 Around 2.2x better PassMark score
Slightly higher clock speed 900 MHz vs 825 MHz Around 10% higher clock speed
Better cloud gate factor score 13.73 vs 10.96 More than 25% better cloud gate factor score
Higher memory clock speed 1,026 MHz vs 901 MHz Around 15% higher memory clock speed
Lower TDP 116W vs 165W Around 30% lower TDP

Benchmarks Real world tests of Radeon HD 3870 X2 vs GeForce GTX 550 Ti

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

Reviews Word on the street


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