An electronic device according to an embodiment includes a display, and a processor including a plurality of cores, wherein the processor is configured to identify a first application satisfying a designated condition related to boosting of the processor among at least one application running on the electronic device, identify a first instruction set architecture (ISA) of the first application, and boost a frequency of a clock signal applied to at least one core among the plurality of cores included in the processor according to the first instruction set architecture.