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Differences What are the advantages of each

Front view of Radeon HD 3470

Reasons to consider the
ATi Radeon HD 3470

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Higher clock speed 800 MHz vs 520 MHz Around 55% higher clock speed
Higher effective memory clock speed 1,900 MHz vs 800 MHz Around 2.5x higher effective memory clock speed
Significantly higher memory clock speed 950 MHz vs 400 MHz Around 2.5x higher memory clock speed
Front view of GeForce 8400 GS

Reasons to consider the
Nvidia GeForce 8400 GS

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GPUBoss is not aware of any important advantages of the Nvidia GeForce 8400 GS vs the ATi Radeon HD 3470.

Benchmarks Real world tests of Radeon HD 3470 vs GeForce 8400 GS

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 3470  vs GeForce 8400 GS 

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

Radeon HD 3470
15.2 GB/s
GeForce 8400 GS
6.4 GB/s

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

Radeon HD 3470
3.2 GPixel/s
GeForce 8400 GS
2.08 GPixel/s

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

Radeon HD 3470
3.2 GTexel/s
GeForce 8400 GS
4.16 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3470
64 GFLOPS
GeForce 8400 GS
39.36 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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