An information processing apparatus, equipped with a WideIO memory device stacked on an SOC die including a CPU, and a method of controlling the same, are provide. The apparatus obtains temperature information of each of a plurality of memories of the WideIO memory device, and generates temperature distribution information of the WideIO memory device in accordance with respective execution of a plurality of function modules. Then, the apparatus determines a refresh rate of the WideIO memory device based on the maximum temperature of the WideIO memory device, decides a period, at which the refresh rate is determined, based on an operation mode of the information processing apparatus and a change rate of the maximum temperature for a predetermined time interval, and refreshes the WideIO memory device in accordance with the determined refresh rate.