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Differences What are the advantages of each

Front view of Radeon HD 6650M

Reasons to consider the
AMD Radeon HD 6650M

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GPUBoss is not aware of any important advantages of the 6650M vs the 6650A.

Front view of Radeon HD 6650A

Reasons to consider the
AMD Radeon HD 6650A

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

Features Key features of the Radeon HD 6650M  vs 6650A 

memory bandwidth Rate at which data can be read from or stored in onboard memory

Radeon HD 6650M
25.6 GB/s
Radeon HD 6650A
28.8 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon HD 6650M
4.8 GPixel/s
Radeon HD 6650A
4.8 GPixel/s

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

Radeon HD 6650M
14.4 GTexel/s
Radeon HD 6650A
14.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6650M
576 GFLOPS
Radeon HD 6650A
576 GFLOPS

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 6650M  vs
6650A 
GPU brand AMD AMD
GPU name Whistler Onega
Market Laptop Laptop
Clock speed 600 MHz 600 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 480 480
Texture mapping units 24 24
Render output processors 8 8
Compute units 6 6
Pixel rate 4.8 GPixel/s 4.8 GPixel/s
Texture rate 14.4 GTexel/s 14.4 GTexel/s
Floating-point performance 576 GFLOPS 576 GFLOPS

memory

Radeon HD 6650M  vs
6650A 
Memory clock speed 800 MHz 900 MHz
Effective memory clock speed 1,600 MHz 1,800 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 25.6 GB/s 28.8 GB/s

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