Highly doubtful, maratsade. The difference on that is because there are too many "moving parts" in a real computer/laptop than an iPad with a few apps on it. You'd throw away 200MB a day on just "services" related stuff on a computer.
"we've connected an iPad to a HughesNet gen4 system in the lab over wifi and played Netflix HD videos non-stop during work hours until we exceeded our allowance, which took a few days on the 10GB plan. "
I tried this -- my iPad used the same amount of data as the laptop.