GPUBoss Review Our evaluation of 5870 vs 660M


Real world tests using the latest 3D games

BioShock Infinite, Crysis 3 and Diablo III


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

No winner declared

Too close to call

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Differences What are the advantages of each

Front view of Mobility Radeon HD 5870

Reasons to consider the
ATi Mobility Radeon HD 5870

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Significantly better 3DMark 11 graphics score 12,830.5 vs 2,369 Around 5.5x better 3DMark 11 graphics score
Much better manhattan score 3,343.06 vs 1,849.63 More than 80% better manhattan score
Better floating-point performance 1,120 GFLOPS vs 641.3 GFLOPS Around 75% better floating-point performance
Significantly better T-Rex score 3,358.98 vs 2,513.15 Around 35% better T-Rex score
More shading units 800 vs 384 416 more shading units
Higher pixel rate 11.2 GPixel/s vs 6.68 GPixel/s Around 70% higher pixel rate
Front view of GeForce GTX 660M

Reasons to consider the
Nvidia GeForce GTX 660M

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Much better CLBenchmark raytrace score 43,913 vs 30,649 Around 45% better CLBenchmark raytrace score
Higher clock speed 835 MHz vs 700 MHz Around 20% higher clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
Better 3DMark06 score 14,704 vs 12,830.5 Around 15% better 3DMark06 score

Benchmarks Real world tests of Mobility Radeon HD 5870 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

GFXBench 3.0 (T-Rex)

GFXBench 3.0 (Manhattan)

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

CLBenchmark Raytrace Measures compute performance using OpenCL to do raytracing


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