The hardware of the Nexus S is very similar to the Samsung Galaxy S I9000, so probably the biggest difference between the Galaxy S and Nexus S is the software. The Samsung Google Nexus S I9023 is also a Touch Bar phone weighing 129 gram, it runs on Android 2.3 Gingerbread OS, powered by a 1 GHz ARM Cortex-A8 processor, PowerVR SGX540 GPU, Hummingbird chipset and a 16GB of internal storage.