What is larger in size Pollux or Polaris?

Pollux is larger than Polaris. Pollux, a binary star in the constellation Gemini, has a radius about 8.5 times that of the Sun, while Polaris, the North Star in the constellation Ursa Minor, has a radius approximately 2.5 times that of the Sun. Thus, Pollux is significantly larger in size compared to Polaris.