SBI and PNB offer competitive 5-year fixed deposit interest rates for both general and senior citizens, with attractive returns on investments of Rs 20 lakh and Rs 30 lakh. While both banks provide similar interest rates, senior citizens enjoy higher returns. SBI also offers tax-saving FDs with special rates for general and senior citizens. Additionally, both banks provide fixed deposit products for NRI investors. In this article, we compare the returns and features of SBI and PNB fixed deposits.