An electronic device according to various embodiments comprises: an application processor comprising a plurality of cores; and a communication processor electrically connected to the application processor. The application processor may: configure at least one session associated with respective applications on the basis of quality of service (QoS) so as to correspond to at least one core from among the plurality of cores; transmit, to the communication processor, information corresponding to a first core configured for a first session from among the at least one session; receive a data packet of the first session from the communication processor; and process the received data packet of the first session by means of the first core configured for the first session, on the basis of the information corresponding to the first core. Various other embodiments are possible.