How does this compare to the cost of an x86/64 mother board of similar specs? I think there's a cost angle to be played here - of the actual components are comm

How does this compare to the cost of an x86/64 mother board of similar specs? I think there's a cost angle to be played here - of the actual components are common/agnostic to architecture, a compelling value proposition is the ability to run most apps at the performance of an x86, at lower overall cost