It would be a better comparison if both systems were on equal footing. In this demonstration the Xubuntu system has swap enabled and the Lubuntu system doesn't.

It would be a better comparison if both systems were on equal footing. In this demonstration the Xubuntu system has swap enabled and the Lubuntu system doesn't. The load averages should also not be taken into consideration as the Lubuntu system has only been up for ~1 minute and the Xubuntu system has been up for ~20.