Both are more or less comparable however if you are interested only in Placements I believe IIIT Allahabad has one of the best placements in India next to Top IITs and BITS Pilani. IIIT A has excellent infrastructure, faculty, research facilities and outlook. It is visited by most of the Major Campus Recruiters like Google, Goldman Sachs, Intel, Reliance Jio, Qualcomm, Microsoft and many other companies. The institute specializes in Information and Communication Technology and is one of the steadily rising institutes in its domain with a modern and student friendly curriculum and excellent prospects.

For more information regarding IIIT Allahabad do follow the link below

https://www.careers360.com/university/indian-institute-of-information-technology-allahabad