The higher clock speed on the i5-11600K means it can hold its own effectively against Ryzen alternatives and some of the 11th generation i7 on CPUs (on a base level) from a purely gaming ...
However, the i5 13600K below is cheaper and still delivers great gaming numbers, with superb productivity credentials too. The AMD Ryzen 7 7800X3D is simply the best gaming CPU around right now.