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Differences What are the advantages of each

Front view of Radeon HD 6770 Green

Reasons to consider the
AMD Radeon HD 6770 Green

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Higher clock speed 700 MHz vs 400 MHz 75% higher clock speed
Better floating-point performance 1,008 GFLOPS vs 12.8 GFLOPS 78.8x better floating-point performance
More shading units 720 vs 8 712 more shading units
Higher pixel rate 11.2 GPixel/s vs 1.6 GPixel/s Around 7x higher pixel rate
More render output processors 16 vs 4 12 more render output processors
Slightly higher texture rate 25.2 GTexel/s vs 1.6 GTexel/s Around 15.8x higher texture rate
More texture mapping units 36 vs 4 32 more texture mapping units
Front view of GeForce 8200M G mGPU

Reasons to consider the
Nvidia GeForce 8200M G mGPU

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Lower TDP 12W vs 86W 7.2x lower TDP

Features Key features of the Radeon HD 6770 Green  vs GeForce 8200M G mGPU 

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

Radeon HD 6770 Green
11.2 GPixel/s
GeForce 8200M G mGPU
1.6 GPixel/s

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

Radeon HD 6770 Green
25.2 GTexel/s
GeForce 8200M G mGPU
1.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6770 Green
1,008 GFLOPS
GeForce 8200M G mGPU
12.8 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

render output processors GPU commponents responsible for transform pixels as they flow between memory buffers

Specifications Full list of technical specs

gpu

Radeon HD 6770 Green  vs
GeForce 8200M G mGPU 
GPU brand AMD Nvidia
GPU name Juniper MCP77MV
Clock speed 700 MHz 400 MHz
Is dual GPU No No
Reference card None None

noise and power

TDP 86W 12W

raw performance

Radeon HD 6770 Green  vs
GeForce 8200M G mGPU 
Shading units 720 8
Texture mapping units 36 4
Render output processors 16 4
Pixel rate 11.2 GPixel/s 1.6 GPixel/s
Texture rate 25.2 GTexel/s 1.6 GTexel/s
Floating-point performance 1,008 GFLOPS 12.8 GFLOPS

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