I don't think that it's very useful, as it's in the local currency in each case. You can bet that some likelihood of future fluctuations in the exchange rate is priced in (meaning: if you try to get better rates by moving to a foreign currency, you're betting against many thousands of professionals).
FWIW, I just found 3.80% for a 5-year term deposit with a Dutch bank, and 4.00% with a Spanish one (but in the latter case, I'd be double-checking the local deposit guarantee rules).
Born 11/1960, retired June 30, 2012; DW born 07/1957, retired July 31, 2019. Current portfolio is 2000K Euros, split 30 stocks/20 bonds/20 RE/30 cash.