Storage
iPhone 6: 16/64/128GB
iPhone 5S:16/32/64GB
The iPhone 6 is available in 16GB, 64GB and 128GB models. There's no 32GB version, and the phone won't support microSD cards either.
The iPhone 5s, is only available in 16GB and 32GB versions. It also doesn't support microSD cards.
Comparative Chart
