It is difficult to predicate that which institute is better. However I have mention below the key points about the institutes below:

NIT AP EEE

1. The placement percentage of this Institute is almost hundred percent.
2. The average package offer to the electrical and electronics students is 10 lakh per annum. The highest salary package is 17 lacs per annum.
3. The faculty teachers are highly experience with most of them have experience for more than 10 years in teaching field

IIIT Kanchipuram ECE:

1. The average salary packages 13 lakh per annum whereas the highest salary package is 56 lacs per annum.
2. The placement percentage of the institute is 97%.
3. Amazon, Microsoft and Adobe are the major recruiters of Electronics and Communication Engineering.
4. The faculty members have completed more than 6 years in teaching field.