The Galaxy S was compared to current high-end Android-based phones such as the HTC Desire, Xperia X10, Nexus One, and smartphones using different operating systems like the iPhone 4, which runs iOS, and HTC HD2, which runs Windows Mobile in CNET Asia.
Ameriške različice Epic 4G, Vibrant, Captivate, Fascinate in Mesmerize so prišle v prodajo od junija do septembra 2010.