How do Bordeaux red blends differ from single-varietal wines?

The main difference of Bordeaux red blends with single varietals is that in creating them, a number of several grape varieties are blended resulting in a multifaceted and complex taste. Single-varietal wines showcase the attributes of a single grape variety, while Bordeaux blends bring together various grapes to form a harmonious blend of tastes, textures, and aromas, producing wines that are more than their components combined.