I think i am eligible to answer this question since i have stayed in VIT for around 20 days, before joining IIITG.Lets go for a quick comparison,
VIT wins over IIITG in these things
1.Great and huge infrastructure.This is the best thing the institute can offer.
2. It spends heavily on the clubs,fests and chapters.
3.They have many Mou’s with reputed universities across the globe.
4.Overall college lifeis better because of the crowd.You will find people from all over India which promotes unity in diversity.
Now IIITG wins over VIT by the following,
1.Institute of National importance.
2.Faculty is way better than VIT