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Differences What are the advantages of each

Front view of Mobility Radeon HD 4650

Reasons to consider the
ATi Mobility Radeon HD 4650

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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
Front view of Mobility Radeon HD 4530

Reasons to consider the
ATi Mobility Radeon HD 4530

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Higher memory clock speed 700 MHz vs 600 MHz More than 15% higher memory clock speed

Features Key features of the Mobility Radeon HD 4650  vs 4530 

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


Mobility Radeon HD 4650  vs
GPU name M96 M92
Market Laptop Laptop
Clock speed 500 MHz 500 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 80
Texture mapping units 32 8
Render output processors 8 4
Compute units 4 1
Pixel rate 4 GPixel/s 2 GPixel/s
Texture rate 16 GTexel/s 4 GTexel/s
Floating-point performance 320 GFLOPS 80 GFLOPS


Mobility Radeon HD 4650  vs
Memory clock speed 600 MHz 700 MHz
Effective memory clock speed 1,200 MHz 1,400 MHz
Memory bus 128 bit 64 bit
Memory 512 MB 512 MB
Memory type DDR2 GDDR3
Memory bandwidth 19.2 GB/s 11.2 GB/s

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