Both devices will come in 64 GB or 128 GB internal storage size models. (slashgear.com)
Both the devices comes with various internal storage sizes: 64 / 128 / 256 GB. (onphones.com)
Entry - level models will have a 16 GB internal storage size, just as they did last year, and pricing will be largely the same as last year's models. (slashgear.com)