GPUBoss Review Our evaluation of 6870 vs 660

Gaming

Real world tests using the latest 3D games

crysis: warhead (2013), Crysis: Warhead (2012), Batman: Arkham City and 3 more

Benchmarks

Synthetic tests to measure overall performance

PassMark, 3DMark Vantage Texture Fill, 3DMark 11 Graphics and 2 more

Compute Performance

General computing tests executed on the GPU

SmallLuxGPU 2.0d4, Civilization 5 Texture Decomposition (2013) and 3 more

Noise and Power

How loud and hot does the card run idle and under load

TDP, Idle Noise Level, Load Noise Level, Idle Power Consumption and 1 more

GPUBoss Score

Gaming, Benchmarks, Compute Performance and Noise and Power

Winner
Nvidia GeForce GTX 660 

GPUBoss recommends the Nvidia GeForce GTX 660  based on its gaming, benchmarks and compute performance.

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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 pixel rate 29.8 GPixel/s vs 19.9 GPixel/s Around 50% higher pixel rate
Quieter idle noise level 39.3 dB vs 40.8 dB Around 5% quieter idle noise level
Better SmallLuxGPU 2.0d4 score 10,600 vs 5,000 More than 2x better SmallLuxGPU 2.0d4 score
Slightly more render output processors 32 vs 24 8 more render output processors
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
Higher effective memory clock speed 6,008 MHz vs 4,200 MHz Around 45% higher effective memory clock speed
Better PassMark score 4,117 vs 2,576 Around 60% better PassMark score
Higher clock speed 993 MHz vs 930 MHz More than 5% higher clock speed
Better 3DMark vantage texture fill score 65.3 vs 45.8 Around 45% better 3DMark vantage texture fill score
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 79.4 GTexel/s vs 52.1 GTexel/s More than 50% higher texture rate
Significantly higher memory clock speed 1,502 MHz vs 1,050 MHz Around 45% higher memory clock speed
Better civilization 5 texture decomposition (2013) score 288.9 vs 219.7 More than 30% better civilization 5 texture decomposition (2013) score
Quieter load noise level 47.4 dB vs 50.6 dB More than 5% quieter load noise level
Higher battlefield 3 framerate 82.5 fps vs 47.5 fps Around 75% higher battlefield 3 framerate
Higher civilization 5 framerate 72.2 fps vs 50 fps Around 45% higher civilization 5 framerate
Better civilization 5 texture decomposition (2012) score 186.3 vs 141.5 More than 30% better civilization 5 texture decomposition (2012) score
Higher batman: arkham city framerate 75 fps vs 51 fps More than 45% higher batman: arkham city framerate
Slightly more texture mapping units 80 vs 56 24 more texture mapping units
Better T-Rex score 2.4 frames/s vs 1.41 frames/s More than 70% better T-Rex score
Better PassMark direct compute score 1,923 vs 1,135 Around 70% better PassMark direct compute score
Better CLBenchmark raytrace score 95,174 vs 64,817 More than 45% better CLBenchmark raytrace score
Higher crysis: warhead framerate 39.6 fps vs 32.3 fps Around 25% higher crysis: warhead framerate

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

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

3DMark Vantage (Texture Fill) Industry standard benchmark that tests DirectX performance

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

CompuBench 1.5 (Bitcoin mining)

Radeon HD 6870
212.73 mHash/s
GeForce GTX 660
60.24 mHash/s

GFXBench 3.0 (T-Rex)

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

GFXBench 3.0 (Manhattan)

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

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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