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Differences What are the advantages of each

Front view of Mobility Radeon HD 4830

Reasons to consider the
ATi Mobility Radeon HD 4830

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Higher effective memory clock speed 2,800 MHz vs 1,600 MHz 75% higher effective memory clock speed
More shading units 640 vs 32 608 more shading units
More render output processors 16 vs 8 Twice as many render output processors
Front view of GeForce GT 9500

Reasons to consider the
Nvidia GeForce GT 9500

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

Benchmarks Real world tests of Mobility Radeon HD 4830 vs GeForce GT 9500

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Mobility Radeon HD 4830  vs GeForce GT 9500 

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 GT 9500
4.4 GPixel/s

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

Mobility Radeon HD 4830
17.6 GTexel/s
GeForce GT 9500
8.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 9500
89.6 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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