Since you haven't mentioned a particular course so am concluding on overall basis. On comparing both the college you will find Sathyabama Institute of Science and Technology(SIST) is better in many aspects such as it has better NAAC grade score than Sir Padampat Singhania University(SPSU). Moreover SIST has better in-campus facilities and rating than SPSU.

Neverthless for your own referenece you can compare these two colleges using comparing tool with this link: https://www.careers360.com/compare-colleges

Hope this may help you.