Top 5 things to consider when buying a system-on-a-chip/PC-on-a-stick:
(1)Graphics and CPU performance of the SoC
(2) Interfaces available
(3) RAM capacity
(4) Openness of chip platform and drivers
(5) Price
Top 4 reasons why a user should buy a PC-on-a-stick: Compared to a PC, these products are often:
-Cheaper
-Smaller form factor
-Lower power
-Able to interact directly with external sensor and actuators