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Differences What are the advantages of each

Front view of Radeon HD 6290 IGP

Reasons to consider the
IGP Radeon HD 6290 IGP

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Slightly lower TDP 9W vs 23W 2.6x lower TDP
Front view of GeForce 320M Mac

Reasons to consider the
Nvidia GeForce 320M Mac

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Slightly higher clock speed 450 MHz vs 400 MHz Around 15% higher clock speed
Slightly more render output processors 8 vs 4 Twice as many render output processors
Slightly more texture mapping units 16 vs 8 Twice as many texture mapping units

Features Key features of the Radeon HD 6290 IGP  vs GeForce 320M Mac 

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

Radeon HD 6290 IGP
1.6 GPixel/s
GeForce 320M Mac
3.6 GPixel/s

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

Radeon HD 6290 IGP
3.2 GTexel/s
GeForce 320M Mac
7.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6290 IGP
64 GFLOPS
GeForce 320M Mac
91.2 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 6290 IGP  vs
GeForce 320M Mac 
GPU brand AMD Nvidia
GPU name Loveland MCP89
Clock speed 400 MHz 450 MHz
Is dual GPU No No
Reference card None None

noise and power

TDP 9W 23W

raw performance

Radeon HD 6290 IGP  vs
GeForce 320M Mac 
Shading units 80 48
Texture mapping units 8 16
Render output processors 4 8
Pixel rate 1.6 GPixel/s 3.6 GPixel/s
Texture rate 3.2 GTexel/s 7.2 GTexel/s
Floating-point performance 64 GFLOPS 91.2 GFLOPS

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