Who would win f6 tornado or a 5 min hurricane?

It's not quite appropriate to compare an F6 tornado and a 5-minute hurricane. These are different weather phenomena that occur on different scales and in different environments.

F6 tornadoes are ranked as the highest level on the Enhanced Fujita Scale (EF Scale), which is a measure of the wind speeds and potential damage caused by tornadoes. An F6 tornado has wind speeds estimated to exceed 300 miles per hour (480 kilometers per hour) and can cause catastrophic damage, completely destroying buildings and uprooting trees.