Sun vs Betelgeuse size comparison

Comparison of size between the two stars, with the Sun on the first side and the red supergiant Betelgeuse on the other. If you can't see the Sun, it is normal, because it is far too small in front of Betelgeuse.

Object	Sun	Betelgeuse
Type	Star, yellow dwarf	Star, red supergiant
Age	4.6 billion years	8.5 million years
Diameter	1,392,684 km	1,235,310,708 km
Mean radius	696,342 km	617,655,354 km
Mass	1.98 × 1030 kg	2.29 × 1031 kg
Rotation duration	24 days	30 years
Surface temperature (average)	5,778 K 5,504 °C 9,940 °F	3,500 K 3,227 °C 5,840 °F
Surface gravity	274.4 m/s²	-0.001 m/s²
Circumference	4.3 million km	1.2 billion km
Surface area	6.09 × 1012 km2	1.5 × 1018 km2
Volume	1.41 × 1018 km3	9.87 × 1026 km3
Average orbital speed	1.99 km/s	5 km/s
Atmosphere composition	73% hydrogen, 25% helium, 0.8% oxygen, 0.3% carbon	hydrogen, helium
Crust composition	73% hydrogen, 25% helium, 0.8% oxygen, 0.3% carbon	hydrogen, helium
Sun distance	0 km	724 light years
Luminosity	3.82 × 1026 W	5.73 × 1031 W
Photosphere temperature	5,772 K	3,590 K
Distance from the Milky Way center	27,200 light years	-
Metallicity	0.0122	0.05
Spectral classification	G2V	M1–M2 Ia–ab
Absolute magnitude	4.83	-5.85
Right ascension	19h 4m 30s	05h 55m 10.29s
Declination	+63.87°	+07° 24′ 25.3″

Note: if one of the objects is not visible, it just means that it is too tiny to be displayed compared to the other one.