Compared to the competition, the ISL8018 stands out for its efficiency (which is even better at low loads), switching frequency range, and added features, all while providing maximum output current. The Comp. A and Comp. B devices have similar efficiency specs, but lack most of the features present in the ISL8018. The Comp. C device provides the most competition in regards to feature sets, but does not have the high efficiency and comes in a much larger package.