GPUBoss Review Our evaluation of 6870 vs 660 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

7.1

Overall Score

Winner
Nvidia GeForce GTX 660 

GPUBoss recommends the Nvidia GeForce GTX 660  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 6870

Reasons to consider the
MSI Radeon HD 6870

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Significantly better 3DMark 11 graphics score 23,860 vs 6,850 Around 3.5x better 3DMark 11 graphics score
Higher clock speed 930 MHz vs 823 MHz Around 15% higher clock speed
Higher pixel rate 29.8 GPixel/s vs 19.8 GPixel/s More than 50% higher pixel rate
Front view of GeForce GTX 660

Reasons to consider the
Nvidia GeForce GTX 660

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Much better 3DMark06 score 18,060 vs 4,218 More than 4.2x better 3DMark06 score
Better 3DMark vantage graphics score 25,130 vs 16,393 Around 55% better 3DMark vantage graphics score
Better PassMark score 4,119 vs 2,576 Around 60% better PassMark score
Higher effective memory clock speed 5,600 MHz vs 4,200 MHz Around 35% higher effective memory clock speed
Higher memory bandwidth 179.2 GB/s vs 134.4 GB/s Around 35% higher memory bandwidth
More memory 2,048 MB vs 1,024 MB 2x more memory
Higher texture rate 79 GTexel/s vs 52.1 GTexel/s More than 50% higher texture rate
More texture mapping units 96 vs 56 40 more texture mapping units
Higher memory clock speed 1,400 MHz vs 1,050 MHz Around 35% higher memory clock speed
Better fire strike factor score 53.49 vs 38.24 Around 40% better fire strike factor score
Better particle simulation score 314.78 mInteraction/s vs 183.33 mInteraction/s More than 70% better particle simulation score
Better CLBenchmark raytrace score 95,174 vs 64,817 More than 45% better CLBenchmark raytrace score
Higher battlefield 3 framerate 50 vs 42.5 Around 20% higher battlefield 3 framerate
Better PassMark direct compute score 1,897 vs 1,135 More than 65% better PassMark direct compute score
Slightly lower TDP 130W vs 151W Around 15% lower TDP

Benchmarks Real world tests of Radeon HD 6870 vs GeForce GTX 660

Bitcoin mining Data courtesy CompuBench

Radeon HD 6870
184.03 mHash/s
GeForce GTX 660
60.27 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 6870
14.5 mPixels/s
GeForce GTX 660
27.57 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 6870
1,125.32 frames/s
GeForce GTX 660
895.24 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6870
3,358.1
GeForce GTX 660
3,359.77

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6870
3,716.02
GeForce GTX 660
3,718.88

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 3

Reviews Word on the street

Radeon HD 6870  vs GeForce GTX 660 

9.2
9.0
Thanks to the higher clocks out of the box it has a 3% performance advantage over reference design HD 6870's which is decent but not spectacular.
Radeon HD 6870

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