Samsung Galaxy S3
The Samsung Galaxy S III is powered by 1.4GHz quad-core it comes with 1GB of RAM. The phone packs 16GB of internal storage that can be expanded up to 64GB via a microSD card.
iPhone 5
The Apple iPhone 5 is powered by 1.3GHz dual-core Apple A6 processor and it comes with 1GB of RAM. The phone packs 16GB of internal storage cannot be expanded.