Ireland and Germany are two of the countries people most often shortlist together when moving to the EU. Below is an honest side-by-side on the things that shape daily life, with the stronger country marked on each row. On these measures Ireland comes out ahead on 4, Germany on 4.
Rent is the clearest split: a one-bed runs about EUR 1,700 a month in Ireland against EUR 1,100 in Germany, so Germany saves you roughly EUR 600 every month.
Typical net pay is EUR 2,800 a month in Ireland and EUR 2,500 in Germany, putting Ireland EUR 300 ahead before anything else is counted.
What actually matters is the money left after rent: EUR 1,100 in Ireland against EUR 1,400 in Germany, which is where Germany pulls ahead.
You will get further on English alone in Ireland than in Germany, which matters most in the first year, before the local language clicks.
The weather is not the same trade either: Ireland is mild, Germany is cold.