Here is another interesting one that combines US News undergraduate business and engineering rankings and graduate department rankings (biology, chemistry, computer science, earth sciences, economics, education, English, history, math, physics, political science, psychology, and sociology). The author does a good job of explaining the limitations of this approach, I think.
http://publicuniversityhonors.com/rankings-academic-departments-private-elites-vs-publics/
- Stanford
- Berkeley
- MIT
- Princeton
- Harvard
- Michigan
- Columbia
- Yale
- Chicago
- Cornell
- UCLA
- Wisconsin
- Texas
- Northwestern
- Penn
- Illinois
- Johns Hopkins
- Duke
- Washington
- Minnesota
- North Carolina
- Ohio State
- Maryland
- UCSD
- Carnegie Mellon