A display device includes a display panel including a display panel including a plurality of pixels, a memory device configured to store pre-scaling data and compensation data, and a panel driver configured to generate first image data by performing a pre-scaling operation on input image data based on the pre-scaling data, generate second image data by performing a compensation operation on the input image data based on the compensation data, and provide a driving signal to the pixels to display a pre-scaled image corresponding to the first image data, or to display a compensated image corresponding to the second image data, wherein the pre-scaling operation is performed before the compensation operation is performed.