Heat

Heat is the total energy contained by a body, both potential as well as kinetic energy. Potential energy is the stored energy while kinetic energy is the moving energy. It is measured in Joules (J).

Temperature

Temperature is a measure of the kinetic energy of the molecules of an object. It is a number that is related to energy but is not energy itself. It is measured in a number of units such as Kelvin, Fahrenheit and Celsius.

Hope you understand the difference between these two.

Thank You.