Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content What is Guaranteed Retirement Income? Get the facts about guaranteed retirement income. SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k).