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Differences What are the advantages of each

Front view of GeForce GT 130

Reasons to consider the
Nvidia GeForce GT 130

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Wider memory bus 192 bit vs 64 bit 3x wider memory bus
More render output processors 12 vs 4 Three times as many render output processors
More texture mapping units 24 vs 8 Three times as many texture mapping units
Front view of GeForce 405

Reasons to consider the
Nvidia GeForce 405

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Higher clock speed 589 MHz vs 500 MHz Around 20% higher clock speed
Higher effective memory clock speed 1,580 MHz vs 1,000 MHz Around 60% higher effective memory clock speed
Higher memory clock speed 790 MHz vs 500 MHz Around 60% higher memory clock speed
Lower TDP 25W vs 75W 3x lower TDP

Benchmarks Real world tests of GeForce GT 130 vs 405

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the GeForce GT 130  vs 405 

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

GeForce GT 130
24 GB/s
GeForce 405
12.64 GB/s

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

GeForce GT 130
6 GPixel/s
GeForce 405
2.36 GPixel/s

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

GeForce GT 130
12 GTexel/s
GeForce 405
4.71 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 130
120 GFLOPS
GeForce 405
44.86 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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