Betelgeuse is a red supergiant star, while the Sun is a yellow dwarf star.

* Betelgeuse's radius is estimated to be around 950 times larger than the Sun's radius. This means that Betelgeuse is so large that if it were to replace our Sun, it would engulf the orbits of Mars, Jupiter, Saturn, Uranus, and Neptune.

* Betelgeuse is also much more massive than the Sun. It has a mass about 17 times greater than our Sun.

In terms of volume, Betelgeuse is billions of times larger than the Sun.