GPUBoss Review Our evaluation of 6990 vs 970 among Desktop GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

7.7

Overall Score

Winner
Nvidia GeForce GTX 970 

GPUBoss recommends the Nvidia GeForce GTX 970  based on its benchmarks, compute performance and noise and power.

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VS

Differences What are the advantages of each

Front view of Radeon HD 6990

Reasons to consider the
Diamond Radeon HD 6990

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Much better 3DMark06 score 30,500 vs 15,071 More than 2x better 3DMark06 score
Significantly higher memory bandwidth 320 GB/s vs 224.4 GB/s Around 45% higher memory bandwidth
Better floating-point performance 5,099.6 GFLOPS vs 3,494 GFLOPS More than 45% better floating-point performance
Significantly more shading units 3,072 vs 1,664 1408 more shading units
Significantly more texture mapping units 192 vs 104 88 more texture mapping units
Higher texture rate 159.4 GTexel/s vs 109.2 GTexel/s More than 45% higher texture rate
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 2,844 More than 3x better PassMark score
Significantly higher effective memory clock speed 7,012 MHz vs 5,000 MHz More than 40% higher effective memory clock speed
Higher clock speed 1,050 MHz vs 830 MHz More than 25% higher clock speed
Much better T-Rex score 8.69 frames/s vs 1.76 frames/s Around 5x better T-Rex score
Significantly better fire strike factor score 72.7 vs 45.35 More than 60% better fire strike factor score
Much better PassMark direct compute score 4,375 vs 1,255 Around 3.5x better PassMark direct compute score
Significantly higher memory clock speed 1,753 MHz vs 1,250 MHz More than 40% higher memory clock speed
Much lower TDP 148W vs 375W 2.5x lower TDP

Benchmarks Real world tests of Radeon HD 6990 vs GeForce GTX 970

Bitcoin mining Data courtesy CompuBench

Radeon HD 6990
265.3 mHash/s
GeForce GTX 970
212.39 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 6990
17.28 mPixels/s
GeForce GTX 970
105.04 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 6990
840.45 frames/s
GeForce GTX 970
1,225.93 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6990
3,356.28
GeForce GTX 970
3,358.38

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6990
3,713.7
GeForce GTX 970
3,715.92

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

Reviews Word on the street

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