What is the approximate solar mass ($M_{ ext{odot}}$) boundary separating Low-Mass Stars from High-Mass Stars?

About $8 M_{ ext{odot}}$

Astronomers categorize stellar evolutionary tracks based on their initial mass, often using solar masses ($M_{ ext{odot}}$) as the standard unit for comparison. The critical threshold that separates stars destined for a relatively serene end from those that undergo violent core collapse is set at approximately eight times the mass of the Sun. Stars falling below this boundary are classified as Low-Mass Stars (less than about $8 M_{ ext{odot}}$) and follow the path leading to a White Dwarf. Conversely, stars possessing an initial mass greater than about $8 M_{ ext{odot}}$ are classified as High-Mass Stars, whose increased gravity dictates they will swell into Red Supergiants and eventually face a supernova.