This is evident by their feminine characteristics such as presence of protruding breasts, facial appearance and their hairstyle. Both statues are appearing similar in terms of height and proportional body parts.
Both Statues are dedications to famous goddesses. The statue of Peplos Kore depicts the goddess Athena on the Akropolis in Athens c.530 BCE while Aphrodite of Knidos is a depiction of the goddess Aphrodite while she was preparing to take her ritual birth. This form of birth was meant to restore her