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Differences What are the advantages of each

Front view of Radeon HD 2600 XT Mac

Reasons to consider the
ATi Radeon HD 2600 XT Mac

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Higher clock speed 700 MHz vs 500 MHz 40% higher clock speed
Front view of Mobility Radeon HD 5430

Reasons to consider the
ATi Mobility Radeon HD 5430

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Lower TDP 7W vs 45W 6.4x lower TDP

Features Key features of the Radeon HD 2600 XT Mac  vs Mobility Radeon HD 5430 

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


Radeon HD 2600 XT Mac  vs
Mobility Radeon HD 5430 
GPU name RV630 Park
Market Desktop Laptop
Clock speed 700 MHz 500 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 120 80
Texture mapping units 8 8
Render output processors 4 4
Compute units 3 1
Pixel rate 2.8 GPixel/s 2 GPixel/s
Texture rate 5.6 GTexel/s 4 GTexel/s
Floating-point performance 168 GFLOPS 80 GFLOPS


Radeon HD 2600 XT Mac  vs
Mobility Radeon HD 5430 
Memory clock speed 800 MHz 800 MHz
Effective memory clock speed 1,600 MHz 1,600 MHz
Memory bus 128 bit 64 bit
Memory 256 MB 1,024 MB
Memory type GDDR3 GDDR3
Memory bandwidth 25.6 GB/s 12.8 GB/s

noise and power

TDP 45W 7W


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