Both are the average colleges for Civil Engineering in term of Placement, Faculties & industry Exposure. Very few companies visit for Campus placement & do not provide good package. The average package is approximately 2.5 to 3 Lakh Per annum. For the genuine reviews of the college you can go through with given below links.

CMR Institute of Technology, Bangalore

ACE Engineering College, Ghatkesar

As per Careers360 reviews CMR college is good in placements and college infrastructure than the other.
You can check the reviews for both below:

CMR College Reviews
ACE College Reviews

CTC offered on an average is 3LPA-4.
Some of the companies that visits CMRare -

Deloitte
TCS
Subex
L&T
HPE
Ericsson
IBM
Capgemini
AT&T
Amazon

Go for it. Good luck.

Both the colleges are average in terms of placement, exposure and faculty.

You can prefer any college according to your location.

To compare both the colleges you can refer below link

CMR Institute Ratings and Reviews

ACE College Ratings and Reviews

Good Luck!!

CMR College of Engineering and Technology, Hyderabad

Admissions Courses & Fees Cutoff Placements Reviews

Shortlist

Brochure

ACET Aligarh

Admissions Courses & Fees Cutoff Placements Reviews

Shortlist

Brochure