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Differences What are the advantages of each

Front view of Radeon E4690 MXM

Reasons to consider the
ATi Radeon E4690 MXM

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More shading units 320 vs 48 272 more shading units
More texture mapping units 32 vs 16 Twice as many texture mapping units
Front view of GeForce GT 240M

Reasons to consider the
Nvidia GeForce GT 240M

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Higher memory clock speed 800 MHz vs 700 MHz Around 15% higher memory clock speed

Benchmarks Real world tests of Radeon E4690 MXM vs GeForce GT 240M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon E4690 MXM  vs GeForce GT 240M 

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

Radeon E4690 MXM
22.4 GB/s
GeForce GT 240M
25.6 GB/s

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

Radeon E4690 MXM
4.8 GPixel/s
GeForce GT 240M
4.4 GPixel/s

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

Radeon E4690 MXM
19.2 GTexel/s
GeForce GT 240M
8.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon E4690 MXM
384 GFLOPS
GeForce GT 240M
116.2 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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