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#21
Not with 4gb or more installed. When going from 2gb to 4gb you would notice the difference immediately while from the 4gb there to 8gb there would only be a minor difference while Windows would be found running smoother when opening any larger programs.
That had no bearing on your previous post was simply being used as a reference for the onboard the desktop sees there. In years past before video cards got evolved to the point of seeing their own onboard form of cpu the onboard video had to share resources.
On a laptop you generally will only be using what it comes with unless getting into a larger more feature loaded model where there are expansion options available such as adding a separate card. Once again that depends on the make and model which either will or won't allow for that. Typically you see more with gaming laptops as a rule there.