An information processing apparatus includes a plurality of modules and a change processing portion. The modules are capable of executing data processing on data stored in a memory connected thereto via a bus. The change processing portion is configured to change a frequency of an operation clock signal to be supplied to each module, in accordance with either one of or both a number and types of the modules that execute the data processing in parallel, during execution of a specific data process of executing the data processing by each module at a preset execution timing.