Originally Posted by droy45

They have different processors and use multiple virtual machines because of the multitude of conflicting design softwares we have to use. If used in the field where vibration and water or chemicals will be around the laptop it has to have distinct ruggedized features built in. Standard business class laptops do not hold up in some engineering realms. So generally they are more rugged and certainly can withstand a ride in a pannier. That's what makes them different.