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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 effective memory clock speed 3,200 MHz vs 1,800 MHz Around 80% higher effective memory clock speed
Front view of Mobility Radeon HD 5145

Reasons to consider the
ATi Mobility Radeon HD 5145

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Higher memory clock speed 900 MHz vs 800 MHz Around 15% higher memory clock speed

Features Key features of the Mobility Radeon HD 5470  vs 5145 

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

Specifications Full list of technical specs

gpu

Mobility Radeon HD 5470  vs
5145 
GPU brand ATI ATI
GPU name Park M92
Market Laptop Laptop
Clock speed 750 MHz 720 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 80 80
Texture mapping units 8 8
Render output processors 4 4
Compute units 1 1
Pixel rate 3 GPixel/s 2.88 GPixel/s
Texture rate 6 GTexel/s 5.76 GTexel/s
Floating-point performance 120 GFLOPS 115.2 GFLOPS

memory

Mobility Radeon HD 5470  vs
5145 
Memory clock speed 800 MHz 900 MHz
Effective memory clock speed 3,200 MHz 1,800 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 1,024 MB
Memory type GDDR5 GDDR3
Memory bandwidth 25.6 GB/s 14.4 GB/s

noise and power

TDP 15W 15W

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