Compounding and mortgages

Note how after 13 years, the higher interest rate loan has a balance owing of approximately $142,000, where as, the lower interest rate account has a balance owing of approximately $80,000.

The difference over a 13 year time frame is approximately $60,000.

Before you run off to find the cheapest interest rate, keep in mind that some loan products may have a lower interest rate, but they may also have higher fees. 

It is the total cost of the loan that needs to be compared.