Royal Holloway vs ManchesterWatch
I think it’s coz they are both good in my subject though
Compare the course content on the websites. If you're really not sure, email the lecturers. In the end, both are fantastic unis.
About the nightlife, Egham is a small town of 6,000 people so there isn't much there. There is a "club" in the student union building. However, Egham is a 36 min train ride into London Waterloo so nightlife shouldn't be a huge problem.