- To “compare to” is to suggest resemblances between things that have essentially different natures:
In appearance, ripples in ocean water can be compared to frosting spread on a cake.
- To “compare with” is to suggest resemblances between things that have essentially similar natures:
Despite their different capacities, RAM can be compared with ROM in that both involve memory storage.
- Established usage dictates that “different than” is not correct; good writers use “different from”:
In relation to its accessibility, a private web client is different from a public web client.