A display substrate and a display device are provided. The display substrate includes a base substrate, and a gate driving circuit and a plurality of signal lines arranged on the base substrate; the plurality of signal lines include a first clock sub-signal line and a second clock sub-signal line; an orthographic projection of the first clock sub-signal line on the base substrate and an orthographic projection of the second clock sub-signal line on the base substrate are arranged side by side, and the first clock sub-signal provided by the first clock sub-signal line is the same as the second clock sub-signal provided by the second clock sub-signal line.