Solved! Why "switchable graphics" is not available for Hi-End gaming laptop?

lgmcben

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Mar 24, 2010
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After a day of googling, the strongest switchable graphics gaming laptops I found is the ones with Radeon HD 5730.

For example,
- Lenovo Y560
- MSI GE600


Why can't these arrandale-based switchable graphics laptop use something like HD 5870 or GTX 280m?

I assume there's a good reason behind it?

Thank you in advance!
 
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