A starship mission to the moon will land over 100tons of cargo. Saturn V could get roughly 5tons to the surface. Its an entirely different class of operation.
That's LEO, not to lunar orbit and entry. Saturn V had a maximum lift capacity of 310,000 lb (140,000 kg) to low Earth orbit (LEO) and could deliver approximately 50 tons (45,000 kg) of payload to the Moon.
