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Differences What are the advantages of each

Front view of Radeon R9 280X

Reasons to consider the
Generic Radeon R9 280X

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Significantly better PassMark score 5,809 vs 2,599 Around 2.2x better PassMark score
Significantly better 3DMark06 score 28,452 vs 21,630 More than 30% better 3DMark06 score
Significantly higher effective memory clock speed 6,000 MHz vs 4,000 MHz 50% higher effective memory clock speed
Better 3DMark 11 graphics score 10,792 vs 7,660 More than 40% better 3DMark 11 graphics score
Higher clock speed 850 MHz vs 725 MHz More than 15% higher clock speed
Higher memory bandwidth 288 GB/s vs 256 GB/s Around 15% higher memory bandwidth
Much better sky diver factor score 380.99 vs 229.17 More than 65% better sky diver factor score
More memory 3,072 MB vs 2,048 MB 50% more memory
Significantly better PassMark direct compute score 3,677 vs 1,209 More than 3x better PassMark direct compute score
Significantly higher memory clock speed 1,500 MHz vs 1,000 MHz 50% higher memory clock speed
Lower TDP 250W vs 294W Around 15% lower TDP
Front view of Radeon HD 5970

Reasons to consider the
ATi Radeon HD 5970

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Significantly better 3DMark vantage graphics score 23,470 vs 11,255 More than 2x better 3DMark vantage graphics score
Significantly more render output processors 64 vs 32 Twice as many render output processors
Significantly more shading units 3,200 vs 2,048 1152 more shading units
Higher pixel rate 46.4 GPixel/s vs 32 GPixel/s Around 45% higher pixel rate
Better floating-point performance 4,640 GFLOPS vs 4,096 GFLOPS Around 15% better floating-point performance
More texture mapping units 160 vs 128 32 more texture mapping units
Wider memory bus 512 bit vs 384 bit Around 35% wider memory bus
More compute units 40 vs 32 8 more compute units

Benchmarks Real world tests of Radeon R9 280X vs HD 5970

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon R9 280X
3,356.04
Radeon HD 5970
3,213.45

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon R9 280X
3,709.16
Radeon HD 5970
3,454.16

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

Reviews Word on the street

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