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Differences What are the advantages of each

Front view of Radeon HD 4250

Reasons to consider the
ATi Radeon HD 4250

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Lower TDP 25W vs 49W Around 50% lower TDP
Front view of GeForce GT 430

Reasons to consider the
Nvidia GeForce GT 430

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Higher clock speed 700 MHz vs 594 MHz Around 20% higher clock speed
Higher effective memory clock speed 1,600 MHz vs 792 MHz More than 2x higher effective memory clock speed
Significantly better cloud gate factor score 7.31 vs 1.9 More than 3.8x better cloud gate factor score
Significantly higher memory clock speed 800 MHz vs 396 MHz More than 2x higher memory clock speed
Slightly more texture mapping units 16 vs 4 12 more texture mapping units

Benchmarks Real world tests of Radeon HD 4250 vs GeForce GT 430

Cloud Gate Factor Data courtesy FutureMark

Features Key features of the Radeon HD 4250  vs GeForce GT 430 

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

Radeon HD 4250
6.34 GB/s
GeForce GT 430
12.8 GB/s

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

Radeon HD 4250
2.38 GPixel/s
GeForce GT 430
2.8 GPixel/s

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

Radeon HD 4250
2.38 GTexel/s
GeForce GT 430
11.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4250
47.52 GFLOPS
GeForce GT 430
268.8 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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