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Differences What are the advantages of each

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 3DMark06 score 21,630 vs 15,071 Around 45% better 3DMark06 score
Many more shading units 3,200 vs 1,664 1536 more shading units
Better floating-point performance 4,640 GFLOPS vs 3,494 GFLOPS Around 35% better floating-point performance
Higher memory bandwidth 256 GB/s vs 224.4 GB/s Around 15% higher memory bandwidth
Significantly more texture mapping units 160 vs 104 56 more texture mapping units
Much wider memory bus 512 bit vs 256 bit 2x wider memory bus
More render output processors 64 vs 56 8 more render output processors
Front view of GeForce GTX 970

Reasons to consider the
Nvidia GeForce GTX 970

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Much better PassMark score 8,563 vs 2,599 More than 3.2x better PassMark score
Much higher effective memory clock speed 7,012 MHz vs 4,000 MHz More than 75% higher effective memory clock speed
Significantly higher clock speed 1,050 MHz vs 725 MHz Around 45% higher clock speed
More memory 4,096 MB vs 2,048 MB 2x more memory
Much better fire strike factor score 72.7 vs 33.32 Around 2.2x better fire strike factor score
Much higher memory clock speed 1,753 MHz vs 1,000 MHz More than 75% higher memory clock speed
Much better PassMark direct compute score 4,375 vs 1,209 More than 3.5x better PassMark direct compute score
Higher pixel rate 58.8 GPixel/s vs 46.4 GPixel/s More than 25% higher pixel rate
Much lower TDP 148W vs 294W Around 50% lower TDP

Benchmarks Real world tests of Radeon HD 5970 vs GeForce GTX 970

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 5970
3,213.45
GeForce GTX 970
3,358.38

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 5970
3,454.16
GeForce GTX 970
3,715.92

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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