Ipad air or ipad air 2? Which one to buy?

I plan to buy an Ipad this coming black friday.

Ipad air 32gb 394 dollars with tax

Ipad air 64gb 495 dollars with tax

I rarely game heavily on tablets/phones but I play clash of clans most of time. When I had a tablet back then I noticed I mostly use it for social media such as FB, and storage for my reference e-books and documents.

Honestly, on day to day basis, is the ipad air 2's performance necessary for everyday task or ipad air is enough for the job? I'm asking this because 100 dollar difference between the two is enough to consider. But I'm willing to spend that 100 dollars if there's any features that breaks the deal tho.

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