Samsung - Galaxy Buds 2 Pro vs Bose - QuietComfort Ultra Earbuds 2

These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.

Pick the Galaxy Buds 2 Pro if you care most about driver size / weight per bud. The biggest gaps in its favor are driver size, weight per bud, water resistance. The single most decisive one: Driver size — 12.90% more. 10.5 mm vs 9.3 mm.

Pick the QuietComfort Ultra Earbuds 2 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are battery — with case, battery — buds. The single most decisive one: Battery — with case — 33.33% more. 24 h vs 18 h.

Both ship with comparable active noise cancellation, spatial audio, multipoint, so those specs do not separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.