Should I get the 3rd gen refurbished model?

Apple is offering the 3rd generation iPad, or the "New iPad", starting at $379 for 16GB.
Is it worth it or should I purchase the the 4th gen iPad, because of the new processor. So really the question is, is the A6X processor a decent improvement over the A5X?

It would be used for educational games and apps for a grade 1 student.
Would also be used for simple games, but nothing like infinty blade.
And would pretty much do all the basic work for me.
Thanks so much
Merci Beaucoup

iPad

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