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Differences What are the advantages of each

Front view of Radeon HD 5450

Reasons to consider the
ATi Radeon HD 5450

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Slightly lower TDP 19W vs 30W More than 35% lower TDP
Front view of Radeon HD 3470

Reasons to consider the
ATi Radeon HD 3470

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Higher clock speed 800 MHz vs 650 MHz Around 25% 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

Benchmarks Real world tests of Radeon HD 5450 vs 3470

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 5450  vs 3470 

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

Radeon HD 5450
6.4 GB/s
Radeon HD 3470
15.2 GB/s

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

Radeon HD 5450
2.6 GPixel/s
Radeon HD 3470
3.2 GPixel/s

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

Radeon HD 5450
5.2 GTexel/s
Radeon HD 3470
3.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5450
104 GFLOPS
Radeon HD 3470
64 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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