How is the expected fate of a low-mass Red Dwarf expected to differ from a Sun-like star evolving into a white dwarf?

Answer

It is predicted to fade away over timescales longer than the universe's current age

Red Dwarfs fuse fuel very slowly and are not massive enough to undergo the Red Giant expansion and subsequent white dwarf formation; they are expected to simply fade over immense cosmic timeframes.

How is the expected fate of a low-mass Red Dwarf expected to differ from a Sun-like star evolving into a white dwarf?
starstellar evolutionastrophysicsdwarf star