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Differences What are the advantages of each

Front view of GeForce GTX 560M

Reasons to consider the
Nvidia GeForce GTX 560M

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Better PassMark score 1,554 vs 667 More than 2.2x better PassMark score
Higher clock speed 775 MHz vs 585 MHz More than 30% higher clock speed
Slightly higher effective memory clock speed 2,500 MHz vs 1,900 MHz More than 30% higher effective memory clock speed
More render output processors 24 vs 16 8 more render output processors
Front view of GeForce GTX 280M

Reasons to consider the
Nvidia GeForce GTX 280M

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More texture mapping units 64 vs 32 Twice as many texture mapping units
Higher memory clock speed 950 MHz vs 625 MHz More than 50% higher memory clock speed
Wider memory bus 256 bit vs 192 bit Around 35% wider memory bus

Benchmarks Real world tests of GeForce GTX 560M vs 280M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the GeForce GTX 560M  vs 280M 

memory bandwidth Rate at which data can be read from or stored in onboard memory

pixel rate Number of pixels a graphics card can render to the screen every second

GeForce GTX 560M
6.2 GPixel/s
GeForce GTX 280M
9.36 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

GeForce GTX 560M
24.8 GTexel/s
GeForce GTX 280M
37.44 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 560M
595.2 GFLOPS
GeForce GTX 280M
374.5 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

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