Yes, Fresno chiles are hotter than jalapenos. A single Fresno chile can have the same amount of heat as 10 jalapenos. The heat score of Fresno is between 2,500–10,000 SHU, and jalapenos are about 4,000 to 8,500 SHU. Fresno chiles are popular in Mexican and Southwestern cuisine. They can be used in salsa, guacamole, or anywhere else you would use a jalapeno.