GPUBoss Review Our evaluation of 6870 vs 660M


Real world tests using the latest 3D games

Dead Space 3, Diablo III and Call of Duty: Modern Warfare 3


Synthetic tests to measure overall performance

PassMark, 3DMark 11 Graphics, 3DMark Vantage Graphics and 3DMark06

Compute Performance

General computing tests executed on the GPU

PassMark Direct Compute and CLBenchmark Raytrace

GPUBoss Score

Gaming, Benchmarks and Compute Performance

MSI Radeon HD 6870 

GPUBoss recommends the MSI Radeon HD 6870  based on its gaming, benchmarks and compute performance.

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MSI Radeon HD 6870

GPUBoss Winner
Front view of Radeon HD 6870

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 2,369 More than 10x better 3DMark 11 graphics score
Higher clock speed 930 MHz vs 835 MHz More than 10% higher clock speed
Better 3DMark vantage graphics score 16,393 vs 9,803 More than 65% better 3DMark vantage graphics score
Higher memory bandwidth 134.4 GB/s vs 64 GB/s More than 2x higher memory bandwidth
Better PassMark score 2,576 vs 1,401 Around 85% better PassMark score
Better floating-point performance 2,083 GFLOPS vs 641.3 GFLOPS Around 3.2x better floating-point performance
Higher pixel rate 29.8 GPixel/s vs 6.68 GPixel/s Around 4.5x higher pixel rate
Much higher call of duty: modern warfare 3 framerate 90 fps vs 50.3 fps Around 80% higher call of duty: modern warfare 3 framerate
Higher texture rate 52.1 GTexel/s vs 26.7 GTexel/s More than 95% higher texture rate
More shading units 1,120 vs 384 736 more shading units
More render output processors 32 vs 16 Twice as many render output processors
Better manhattan score 3,716.02 vs 3,439.22 Around 10% better manhattan score
Higher diablo III framerate 127 fps vs 67 fps Around 90% higher diablo III framerate
Higher dead space 3 framerate 85 fps vs 49.5 fps More than 70% higher dead space 3 framerate
Slightly more texture mapping units 56 vs 32 24 more texture mapping units
Front view of GeForce GTX 660M

Reasons to consider the
Nvidia GeForce GTX 660M

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Significantly better 3DMark06 score 14,704 vs 4,218 Around 3.5x better 3DMark06 score
More memory 2,048 MB vs 1,024 MB 2x more memory
Lower TDP 50W vs 151W 3x lower TDP

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

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

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 660M
37.19 mHash/s

GFXBench 3.0 (T-Rex)

Radeon HD 6870
GeForce GTX 660M

GFXBench 3.0 (Manhattan)

Radeon HD 6870
GeForce GTX 660M

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

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