Both of this smartphone has an internal memory capacity of 32GB, and Samsung Galaxy S III is also present in the 16GB version. Samsung Galaxy S III present using the Android 4.0 Ice Cream Sandwich, while the Sony Xperia S using Android 2.3 Gingerbread.
Sony Xperia S has a simple minimalist design with sharp corner while the design of Samsung Galaxy S III is pretty elegant with round corner and slightly has larger dimensions than the Sony Xperia S.
Samsung Galaxy S III has a larger screen measuring 4.8 inches, while the Sony Xperia S has a 4.3 inch screen size. Both have the same resolution of 1280 x 720 pixels. For the terms of performance, Samsung Galaxy S III is better because it uses a dual core 1.4GHz processor, while the Sony Xperia S only uses 1.5GHz dual core processor. Both are also powered with 1GB of RAM.
Sony Xperia S comes with a better camera which is 12 MP camera, and the Samsung Galaxy S III is only equipped with 8 MP camera. Samsung Galaxy S III is energized with a battery capacity of 2100mAh, while the Sony Xperia S has 1750mAh battery. From the battery capacity, we can see that Samsung Galaxy S III would have a longer battery life.
Samsung Galaxy S III comes with a lot more features than Sony Xperia S such as the s Voice, etc. To get the Samsung Galaxy S III you need to spend some more money but it’s is worth it because of its higher specification on processor, bigger display, and many new features embedded.