Desktop replacement laptops like that one are admittedly more mobile than real desktops, but the weight and thermals mean they can't be used the same way as a MacBook-sized machine: on a couch, on a plane, etc. They also can't last long on battery (the one you linked has a 330W draw on a 78 watt-hour battery?).
Those have desktop class high TDP CPUs in them. The distinction here is that this is a low(ish) TDP CPU intended for laptops where battery life matters.
http://www.eurocom.com/configure(2,234,0)