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Differences What are the advantages of each

Front view of Radeon HD 6970

Reasons to consider the
AMD Radeon HD 6970

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Much better 3DMark 11 graphics score 24,035 vs 7,660 Around 3.2x better 3DMark 11 graphics score
Significantly higher effective memory clock speed 5,500 MHz vs 4,000 MHz Around 40% higher effective memory clock speed
Higher clock speed 880 MHz vs 725 MHz More than 20% higher clock speed
Better PassMark score 3,493 vs 2,599 Around 35% better PassMark score
Better 3DMark06 score 24,035 vs 21,630 More than 10% better 3DMark06 score
Significantly higher memory clock speed 1,375 MHz vs 1,000 MHz Around 40% 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 higher memory bandwidth 256 GB/s vs 176 GB/s More than 45% higher memory bandwidth
Better floating-point performance 4,640 GFLOPS vs 2,703 GFLOPS More than 70% better floating-point performance
Many more shading units 3,200 vs 1,536 1664 more shading units
Significantly more render output processors 64 vs 32 Twice as many render output processors
Significantly more texture mapping units 160 vs 96 64 more texture mapping units
Higher pixel rate 46.4 GPixel/s vs 28.16 GPixel/s Around 65% higher pixel rate
Higher texture rate 116 GTexel/s vs 84.48 GTexel/s More than 35% higher texture rate
Much wider memory bus 512 bit vs 256 bit 2x wider memory bus
More compute units 40 vs 24 16 more compute units

Benchmarks Real world tests of Radeon HD 6970 vs 5970

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6970
3,351.26
Radeon HD 5970
3,213.45

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6970
3,706.33
Radeon HD 5970
3,454.16

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

Battleforge 1920x1200 - Maximum quality + 4XAA

Radeon HD 6970
77.1 fps
Radeon HD 5970
93.3 fps

Hawx 1920 x 1200 - Maximum quality + Low AO + 4xAA

Radeon HD 6970
133 fps
Radeon HD 5970
155 fps

Reviews Word on the street

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