I would say that NYU is more connected to the industry, but that may not matter. Getting jobs/internships really depends on you. Both are great schools, so reputation will not limit you.
Courant is a huge plus. I am more focused on fin math than fin tech, so Courant would be a big thing for me. If you aren't willing to dive deep into the mathematics, Courant will not offer much.
I have not really broken down the cost of the programs, but are you sure NYU is only 25k more expensive? NYU is outrageously expensive (not even considering additional costs for living). When I was considering applying, I remember the estimated yearly cost of attendance was something like 75k. A two year program would set you 150k in loans... Now maybe you have scholarships/grants, I don't know your situation. But for full loan, those interests rates are crazy.150k becomes $200k very fast.... I have lived in both the north and south, you will save an unthinkable amount of money living in Atlanta during school. If you are seriously concerned about cost (which you should be), GaTech easily wins that battle.
End of the day it comes down to you. If you like NYUs course better, go there (and vice versa). Don't worry about trying to gauge potential industry opportunities. That thought is hypothetical, you will be able to quantify its value. Attending one school over the other will never guarantee you a job...