are gaming laptops only meant to use Dedicated gpu when plugged in?

Soldato
Joined
9 Jan 2016
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3,727
Location
Derbyshire
so while i have a gaming laptop i have rarely used it for such ha and so trying to play fortnite few days ago only the igpu was performing whether it was plugged in or not, i did driver update and while the new layouts doesnt seem to give me the 'switchable graphics' option i have been now playing Mad Max and while ive had to get Afterburner to display both graphics, my dedicated gpu only seems to make a difference when plugged in otherwise its sluggish.

i dont know how powerful the rx560x is, but should this be of no surprise or should some gaming laptops be able to run off battery? im not always in a position to have it plugged in which is why i ask.
 
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