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Differences What are the advantages of each

Front view of Radeon HD 6330M

Reasons to consider the
AMD Radeon HD 6330M

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More memory 1,024 MB vs 256 MB 4x more memory
Front view of Mobility Radeon HD 3470

Reasons to consider the
ATi Mobility Radeon HD 3470

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Higher clock speed 680 MHz vs 500 MHz More than 35% higher clock speed

Features Key features of the Radeon HD 6330M  vs Mobility Radeon HD 3470 

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

Radeon HD 6330M
2 GPixel/s
Mobility Radeon HD 3470
2.72 GPixel/s

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

Radeon HD 6330M
4 GTexel/s
Mobility Radeon HD 3470
2.72 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

Radeon HD 6330M  vs
Mobility Radeon HD 3470 
GPU brand AMD ATI
GPU name Robson M82
Market Laptop Laptop
Clock speed 500 MHz 680 MHz
Is dual GPU No No
Reference card None ATi Mobility Radeon HD 3470 680 MHz 256 MB

raw performance

Shading units 80 40
Texture mapping units 8 4
Render output processors 4 4
Compute units 2 2
Pixel rate 2 GPixel/s 2.72 GPixel/s
Texture rate 4 GTexel/s 2.72 GTexel/s
Floating-point performance 80 GFLOPS 54.4 GFLOPS

memory

Radeon HD 6330M  vs
Mobility Radeon HD 3470 
Memory clock speed 800 MHz 800 MHz
Effective memory clock speed 1,600 MHz 1,600 MHz
Memory bus 64 bit 64 bit
Memory 1,024 MB 256 MB
Memory type GDDR3 GDDR3
Memory bandwidth 12.8 GB/s 12.8 GB/s

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