Google - Pixel Buds A-Series vs Bose - QuietComfort Ultra Earbuds 2
Between the Pixel Buds A-Series and QuietComfort Ultra Earbuds 2, the Pixel Buds A-Series comes out ahead in driver size / weight per bud, while the QuietComfort Ultra Earbuds 2 wins on battery — buds / active noise cancellation. Overall, the Pixel Buds A-Series scores 65.4 and the QuietComfort Ultra Earbuds 2 scores 58.4 on our Mars Score.
Which should you buy?
The Pixel Buds A-Series edges ahead on the Mars Score (65.4 vs 58.4), but the 7.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Pixel Buds A-Series if you care most about driver size / weight per bud. The biggest gaps in its favor are driver size, weight per bud.
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 — buds, active noise cancellation, spatial audio, among others.
Both ship with comparable battery — with case, water resistance, so those specs do not separate the two — focus on the differences below.
Bottom line: the Pixel Buds A-Series is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Google - Pixel Buds A-Series wins
- ▲Driver size — 29.03% more. 12 mm vs 9.3 mm.
- ▲Weight per bud — 1.10 g less. 5.1 vs 6.2.
Why Bose - QuietComfort Ultra Earbuds 2 wins
- ▲Battery — buds — 20.00% more. 6 h vs 5 h.
- ▲Has Active noise cancellation.
- ▲Has Spatial audio.
- ▲Has Multipoint.
Spec comparison
Design
| Spec | Google - Pixel Buds A-Series | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 5.1 glead | 6.2 g |
| Water resistanceⓘ | IPX4 | IPX4 |
Audio
| Spec | Google - Pixel Buds A-Series | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Driver sizeⓘ | 12 mmlead | 9.3 mm |
| Active noise cancellationⓘ | false | truelead |
| Transparency mode | false | truelead |
| Spatial audioⓘ | false | truelead |
Battery
| Spec | Google - Pixel Buds A-Series | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Battery — buds | 5 h | 6 hlead |
| Battery — with case | 24 h | 24 h |
| Wireless case chargingⓘ | false | truelead |
Connectivity
| Spec | Google - Pixel Buds A-Series | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Bluetoothⓘ | 5.0 | 5.4lead |
| Codecs | AAC,SBC | aptX Adaptive,AAC,SBC |
| Multipointⓘ | false | truelead |
| In-ear detection | false | truelead |
Frequently asked
Which has longer battery, Pixel Buds A-Series or QuietComfort Ultra Earbuds 2?+
QuietComfort Ultra Earbuds 2 lasts 6h per charge vs 5h.
Do Pixel Buds A-Series or QuietComfort Ultra Earbuds 2 support multipoint?+
QuietComfort Ultra Earbuds 2 supports multipoint pairing; Pixel Buds A-Series does not.
Which has ANC, Pixel Buds A-Series or QuietComfort Ultra Earbuds 2?+
QuietComfort Ultra Earbuds 2 has active noise cancellation; Pixel Buds A-Series does not.
Spec-level deep dives
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