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Differences What are the advantages of each

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
Front view of Mobility Radeon HD 4570

Reasons to consider the
ATi Mobility Radeon HD 4570

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GPUBoss is not aware of any important advantages of the 4570 vs the 5145.

Features Key features of the Mobility Radeon HD 5145  vs 4570 

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

Mobility Radeon HD 5145
2.88 GPixel/s
Mobility Radeon HD 4570
2.72 GPixel/s

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

Mobility Radeon HD 5145
5.76 GTexel/s
Mobility Radeon HD 4570
5.44 GTexel/s

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 5145  vs
4570 
GPU brand ATI ATI
GPU name M92 M92
Market Laptop Laptop
Clock speed 720 MHz 680 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 2.88 GPixel/s 2.72 GPixel/s
Texture rate 5.76 GTexel/s 5.44 GTexel/s
Floating-point performance 115.2 GFLOPS 108.8 GFLOPS

memory

Mobility Radeon HD 5145  vs
4570 
Memory clock speed 900 MHz 800 MHz
Effective memory clock speed 1,800 MHz 1,600 MHz
Memory bus 64 bit 64 bit
Memory 1,024 MB 512 MB
Memory type GDDR3 GDDR3
Memory bandwidth 14.4 GB/s 12.8 GB/s

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