How do an EE Bond & I Bond differ?

[FirstTimer90]

I was doing some research and these sound similar though I know there must be a difference. Does an EE Bond pay a fixed interest rate and an I bond receive a fluctuating interest rate?

Can anyone clear this up for me?

[Like2Plan]

The treasury direct site has a pretty good explanation:
Here is a link to the topic:
Comparing EE Bonds and I Bonds

[humandraydel]

I-Bonds are inflation-linked bonds. They pay a fixed rate portion plus a floating rate based on inflation. Currently the fixed rate portion is very small - something like 0.25%. So they pay 0.25% + 1% inflation (or whatever CPI is). Real return is whatever the fixed rate portion is - very low.

EE Bonds are very different. They are 20 year bonds that pay a specific interest rate but are guaranteed to double in 20 years. The problem is that the yearly interest rate is small (1.5% maybe?) and if held to 19 years they will not double. However, on the 20th year they receive an "adjustment" to bring the value up to double - which actually results in a decent interest rate (3.5% roughly) but ONLY if you hold all 20 years. So, they are usually recommended for people who can afford to buy $20k of bonds each year for a ladder 20 years later - say, start purchasing from age 45-65 and it'll provide a ladder of a guaranteed income from age 65-85.