Both come with 64 GB of internal storage space as well and support expandable storage up to 400 GB via microSD cards if you need more room. (androidheadlines.com)
There is 2 GB internal storage space of which 1.25 GB is available for user. (gogi.in)
On the first boot you will get 300 to 400 MB of free RAM and about 4 GB of free internal storage space. (gogi.in)