Major Nelson on X1 Power: "I can't wait for the truth to come out."

[Pemalite]

Captain_Tom said:

No no no.  Upscailed just means it fills up the whole screen.  That is it.

No no. That's not "Just it".
Upscaling does additional post processing and uses algorithims so it's not merely just a stretching of an image, otherwise the image would look truly crap.