iPad Air 2 cellular 16GB or iPad Air Cellular 64GB?

[iMore Question]

which one is better? i would get one on my hand,
is it better to get 1st gen ipad air 64gb / ipad air 2nd gen 16gb? both will be cellular version
how long can it last, for ipad air, considering it's only 1gb of ram
thank you

 

[Tartarus]

If money is no problem, always go for the newest version.

 

[Rob Phillips]

Welcome to iMore! What are you going to be doing with it? 16GB is hard to manage for most users.

 

[Larry Cook1]

Buy what you can afford. The more storage the better. Better more than needed then not having enough.