Bose - QuietComfort Ultra Earbuds 2 vs Sony - WF-1000XM6
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Sony - WF-1000XM6 |
|---|---|---|
| Battery — buds | 6 h | 8 h |
| Battery — with case | 24 h | 32 h |
| Driver size | 9.3 mm | 8.4 mm |
| Weight per bud | 6.2 g | 5.4 g |
Between the QuietComfort Ultra Earbuds 2 and WF-1000XM6, the QuietComfort Ultra Earbuds 2 comes out ahead in driver size, while the WF-1000XM6 wins on battery — buds / battery — with case. Overall, the QuietComfort Ultra Earbuds 2 scores 70.9 and the WF-1000XM6 scores 74.5 on our Mars Score.
Which should you buy?
The WF-1000XM6 edges ahead on the Mars Score (70.9 vs 74.5), but the 3.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the QuietComfort Ultra Earbuds 2 if you care most about driver size. The biggest gaps in its favor are driver size. The single most decisive one: Driver size — 10.71% more. 9.3 mm vs 8.4 mm.
Pick the WF-1000XM6 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, battery — with case, weight per bud. The single most decisive one: Battery — buds — 33.33% more. 8 h vs 6 h.
Both ship with comparable active noise cancellation, water resistance, spatial audio, 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: Bose - QuietComfort Ultra Earbuds 2 or Sony - WF-1000XM6?
Sony - WF-1000XM6 leads the current Mars Score by 3.6 points.The more useful decision is the trade-off behind that result: compare driver size, battery — buds, weight per bud against the way you will actually use the product.
Choose Bose - QuietComfort Ultra Earbuds 2 if…
Bose - QuietComfort Ultra Earbuds 2 has the measurable edge on driver size mm.
Choose Sony - WF-1000XM6 if…
Sony - WF-1000XM6 has the measurable edge on battery life buds h, battery life case h, weight per bud g.
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 Bose - QuietComfort Ultra Earbuds 2 wins
- ▲Driver size — 10.71% more. 9.3 mm vs 8.4 mm.
Why Sony - WF-1000XM6 wins
- ▲Battery — buds — 33.33% more. 8 h vs 6 h.
- ▲Battery — with case — 33.33% more. 32 h vs 24 h.
- ▲Weight per bud — 0.80 g less. 5.4 vs 6.2.
Spec comparison
Design
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Sony - WF-1000XM6 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 6.2 g | 5.4 glead |
| Water resistanceⓘ | IPX4 | IPX4 |
Audio
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Sony - WF-1000XM6 |
|---|---|---|
| Driver sizeⓘ | 9.3 mmlead | 8.4 mm |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | true | true |
Battery
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Sony - WF-1000XM6 |
|---|---|---|
| Battery — buds | 6 h | 8 hlead |
| Battery — with case | 24 h | 32 hlead |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Sony - WF-1000XM6 |
|---|---|---|
| Bluetoothⓘ | 5.4 | 5.4 |
| Codecsⓘ | aptX Adaptive,AAC,SBC | LDAC,LC3,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, QuietComfort Ultra Earbuds 2 or WF-1000XM6?+
WF-1000XM6 lasts 8h per charge vs 6h.
Do QuietComfort Ultra Earbuds 2 or WF-1000XM6 support multipoint?+
Both support multipoint pairing.
Which has ANC, QuietComfort Ultra Earbuds 2 or WF-1000XM6?+
Both models have active noise cancellation.