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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 higher clock speed 650 MHz vs 600 MHz Around 10% higher clock speed
Slightly lower TDP 19W vs 35W More than 45% lower TDP
Front view of Mobility Radeon HD 5165

Reasons to consider the
ATi Mobility Radeon HD 5165

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Higher effective memory clock speed 1,800 MHz vs 800 MHz 2.2x higher effective memory clock speed
Significantly higher memory clock speed 900 MHz vs 400 MHz 2.2x higher memory clock speed
More texture mapping units 32 vs 8 24 more texture mapping units

Benchmarks Real world tests of Radeon HD 5450 vs Mobility Radeon HD 5165

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 5450  vs Mobility Radeon HD 5165 

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

Radeon HD 5450
2.6 GPixel/s

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

Radeon HD 5450
5.2 GTexel/s
Mobility Radeon HD 5165
19.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5450
104 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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