Samsung - Galaxy Buds 3 vs Bose - QuietComfort Ultra Earbuds 2
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - Galaxy Buds 3 | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Driver size | 11 mm | 9.3 mm |
| Weight per bud | 4.7 g | 6.2 g |
| Water resistance | IP57 | IPX4 |
Between the Galaxy Buds 3 and QuietComfort Ultra Earbuds 2, the Galaxy Buds 3 comes out ahead in driver size / weight per bud, while the QuietComfort Ultra Earbuds 2 wins on several specs. Overall, the Galaxy Buds 3 scores 74.4 and the QuietComfort Ultra Earbuds 2 scores 70.9 on our Mars Score.
Which should you buy?
The Galaxy Buds 3 edges ahead on the Mars Score (74.4 vs 70.9), but the 3.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy Buds 3 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 — 18.28% more. 11 mm vs 9.3 mm.
The QuietComfort Ultra Earbuds 2 similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable battery — buds, battery — with case, active noise cancellation, 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.
Which should you buy: Samsung - Galaxy Buds 3 or Bose - QuietComfort Ultra Earbuds 2?
Samsung - Galaxy Buds 3 leads the current Mars Score by 3.5 points.The more useful decision is the trade-off behind that result: compare driver size, weight per bud against the way you will actually use the product.
Choose Samsung - Galaxy Buds 3 if…
Samsung - Galaxy Buds 3 has the measurable edge on driver size mm, weight per bud g, ip rating.
Choose Bose - QuietComfort Ultra Earbuds 2 if…
Bose - QuietComfort Ultra Earbuds 2 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Samsung - Galaxy Buds 3 wins
- ▲Driver size — 18.28% more. 11 mm vs 9.3 mm.
- ▲Weight per bud — 1.50 g less. 4.7 vs 6.2.
- ▲Water resistance: IP57 (vs IPX4).
Why Bose - QuietComfort Ultra Earbuds 2 wins
- No decisive advantages.
Spec comparison
Design
| Spec | Samsung - Galaxy Buds 3 | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Form factor | openlead | in-ear |
| Weight per bud | 4.7 glead | 6.2 g |
| Water resistanceⓘ | IP57lead | IPX4 |
Audio
| Spec | Samsung - Galaxy Buds 3 | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Driver sizeⓘ | 11 mmlead | 9.3 mm |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | true | true |
Battery
| Spec | Samsung - Galaxy Buds 3 | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Battery — buds | 6 h | 6 h |
| Battery — with case | 24 h | 24 h |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Samsung - Galaxy Buds 3 | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Bluetoothⓘ | 5.4 | 5.4 |
| Codecsⓘ | SSC,AAC,SBC | aptX Adaptive,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, Galaxy Buds 3 or QuietComfort Ultra Earbuds 2?+
QuietComfort Ultra Earbuds 2 lasts 6h per charge vs 6h.
Do Galaxy Buds 3 or QuietComfort Ultra Earbuds 2 support multipoint?+
Both support multipoint pairing.
Which has ANC, Galaxy Buds 3 or QuietComfort Ultra Earbuds 2?+
Both models have active noise cancellation.