What are the differences in heat levels and flavor profiles between cayenne and habanero peppers?

Cayenne peppers are generally milder in heat compared to habanero peppers, with cayenne ranging from 30,000 to 50,000 Scoville Heat Units (SHU) and habanero ranging from 100,000 to 350,000 SHU. In terms of flavor, cayenne peppers have a slightly sweet and earthy taste, while habanero peppers are fruity and floral with a more intense heat.