Equally as good, I've been to both, fees, courses are all pretty much the same it just goes down to personal peference, and course points as some vary in UCD and TCD, like Med is higher at UCD but law I heard was higher at TCD? so that should be taken into consideration
ucd has no prestige compared to trinity. trinity is ranked significantly higher in university world rankings and trinity is regarded to a higher standard to UCD across the world. Unless you have your head fixed on a specific course in UCD or you want to do EC and FI, go to Trinity.
i agree here ^ its just one of those things, Trinity College, Dublin is a sister college to St John's College, Cambridge and Oriel College, Oxford. People will say college rep doesnt matter, when in reality it does. Trinity has good links with employers, and employers know their students are being thought at a top level by People who are at the forefront of their respective feilds.
When you go to trinity you are essentially backed by the school, People recognise tirnity all over the world. i myself have traveled to even the most remote places and they recognise trinity from its famous library, poets and writers.