The present disclosure provides a display panel and display device. Display panel includes: a plurality of first sub-pixel groups and a plurality of second sub-pixel groups, the first sub-pixel group each including a plurality of first sub-pixels, the second sub-pixel groups each including a plurality of second sub-pixels, a contribution value of the first sub-pixels to the illumination brightness of the display panel being greater than that of the second sub-pixels to the illumination brightness of the display panel; a first data line connected to the first sub-pixels in the first sub-pixel group; a second data line connected to the second sub-pixels in the second sub-pixel group; a plurality of touch electrodes and a plurality of touch signal lines, a distance from the touch signal line to its closest second data line being smaller than a distance from the touch signal line to its closest first data line.