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Differences What are the advantages of each

Front view of Mobility Radeon HD 5470

Reasons to consider the
ATi Mobility Radeon HD 5470

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Higher clock speed 750 MHz vs 600 MHz 25% higher clock speed
Higher effective memory clock speed 3,200 MHz vs 1,800 MHz Around 80% higher effective memory clock speed
Lower TDP 15W vs 35W 2.3x lower TDP
Front view of Mobility Radeon HD 5165

Reasons to consider the
ATi Mobility Radeon HD 5165

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More texture mapping units 32 vs 8 24 more texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
More shading units 320 vs 80 240 more shading units
Slightly more compute units 4 vs 1 3 more compute units
Higher memory clock speed 900 MHz vs 800 MHz Around 15% higher memory clock speed

Benchmarks Real world tests of Mobility Radeon HD 5470 vs 5165

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Mobility Radeon HD 5470  vs 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

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

floating point performance How fast the gpu can crunch numbers

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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