Hello aspirant, hope you are doing good.

So, below I'll mention some of the key points of comparison between the two colleges and the subjects that you have mentioned, and you can see for yourself, which one suits you better .

B.Tech Computer Science and Engineering in Indian Institute of Information Technology, Surat has higher cutoff through JEE Main

B.Tech Computer Science and Engineering in Indian Institute of Information Technology, Surat has lower fees

As far as B.Tech  in CSE is concerned, according to me and many other reviews by the students themselves, IIIT Surat is definitely a better choice than IIIT bhubaneswar, although IIIT Surat is comparatively newer.

You can get the detailed comparison here:

https://www.careers360.com/compare-colleges?college=220-1844-course=10460-49528

Hope this helps you. Good Luck !!