The Emperor and the Assassin (1998)

Both movies tells the story between the King of Qin and his assassin. Hero is more artistic, where The Emperor and the assassin is nearer at the historical story

Both are about Qin emperor.................................................................................................................................................................................................................................................................................................................................

Both are epic wuxia movies set in Chinese Imperial Court. Both movies are about a Concubine/noble lady conspiring to assassinate an Chinese emperor. In both movies Gong Li stars as a Chinese Empress/Imperial Concubine................................

Both movies are set in during regime of Qin Emperor, First emperor of unified China. Both star Gong Li.

Both films star Gong Li and Zheng Feng Yi. They both deal with the Qin Dynasty, love, and war.

Both movies are about the first emperor of a unified China, king of Qin. While they have different focuses story wise, they both show his personal and political struggles, etc.