GPUBoss Review Our evaluation of 5870 vs 660M

Gaming

Real world tests using the latest 3D games

BioShock Infinite and Crysis 3

Benchmarks

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

Winner
Nvidia GeForce GTX 660M 

GPUBoss recommends the Nvidia GeForce GTX 660M  based on its .

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VS

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
Better floating-point performance 1,120 GFLOPS vs 641.3 GFLOPS Around 75% better floating-point performance
Higher pixel rate 11.2 GPixel/s vs 6.68 GPixel/s Around 70% higher pixel rate
More shading units 800 vs 384 416 more shading units
Slightly more texture mapping units 40 vs 32 8 more texture mapping units
Front view of GeForce GTX 660M

Reasons to consider the
Nvidia GeForce GTX 660M

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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
Slightly better passmark score 1,534 vs 1,177 More than 30% better passmark score
Better 3DMark vantage graphics score 9,803 vs 7,616 Around 30% better 3DMark vantage graphics score
Better 3DMark06 score 14,704 vs 12,830.5 Around 15% better 3DMark06 score
Better CLBenchmark raytrace score 43,913 vs 30,649 Around 45% better CLBenchmark raytrace score

Benchmarks Real world tests of Mobility Radeon HD 5870 vs GeForce GTX 660M

Passmark Industry standard benchmark for overall graphics card performance

3DMark11 and Unigine Heaven give us a way to see how the cards stack up in a more synthetic environment while the real-world gameplay testing provided by the six games completes the performance picture.
GeForce GTX 660M | by Ryan-Shrout (Sep, 2012)

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

3DMark Vantage Graphics Industry standard benchmark that tests DirectX 10 GPU performance

3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance

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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