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Differences What are the advantages of each

Front view of Radeon HD 6770M Mac

Reasons to consider the
AMD Radeon HD 6770M Mac

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Higher clock speed 725 MHz vs 598 MHz More than 20% higher clock speed
Higher memory clock speed 900 MHz vs 794 MHz Around 15% higher memory clock speed
Front view of Radeon HD 6750M Mac

Reasons to consider the
AMD Radeon HD 6750M Mac

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GPUBoss is not aware of any important advantages of the 6750M Mac Edition vs the 6770M Mac Edition.

Features Key features of the Radeon HD 6770M Mac  vs 6750M Mac 

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 6770M Mac
5.8 GPixel/s
Radeon HD 6750M Mac
4.78 GPixel/s

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

Radeon HD 6770M Mac
17.4 GTexel/s
Radeon HD 6750M Mac
14.35 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6770M Mac
Radeon HD 6750M Mac
574.1 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


Radeon HD 6770M Mac  vs
6750M Mac 
GPU name Whistler Whistler
Market Laptop Laptop
Clock speed 725 MHz 598 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 5.8 GPixel/s 4.78 GPixel/s
Texture rate 17.4 GTexel/s 14.35 GTexel/s
Floating-point performance 696 GFLOPS 574.1 GFLOPS


Radeon HD 6770M Mac  vs
6750M Mac 
Memory clock speed 900 MHz 794 MHz
Effective memory clock speed 3,600 MHz 3,176 MHz
Memory bus 128 bit 128 bit
Memory 512 MB 512 MB
Memory type GDDR5 GDDR5
Memory bandwidth 57.6 GB/s 50.8 GB/s

noise and power

TDP 35W 35W


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