Sennheiser - Accentum True Wireless vs Sony - LinkBuds Open
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sennheiser - Accentum True Wireless | Sony - LinkBuds Open |
|---|---|---|
| Driver size | 7 mm | 11 mm |
| Battery — with case | 28 h | 22 h |
| Active noise cancellation | true | false |
| Spatial audio | false | true |
| Weight per bud | 6.0 g | 5.1 g |
Between the Accentum True Wireless and LinkBuds Open, the Accentum True Wireless comes out ahead in battery — with case / active noise cancellation, while the LinkBuds Open wins on driver size / spatial audio. Overall, the Accentum True Wireless scores 72 and the LinkBuds Open scores 63.6 on our Mars Score.
Which should you buy?
The Accentum True Wireless is the clear pick on raw spec strength, leading by 8.4 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Accentum True Wireless if audio quality and feature breadth (ANC, codecs, multipoint) are the lead criteria for your purchase. The biggest gaps in its favor are battery — with case, active noise cancellation. The single most decisive one: Battery — with case — 27.27% more. 28 h vs 22 h.
Pick the LinkBuds Open if you care most about driver size / spatial audio. Its strongest claims are driver size, spatial audio, weight per bud. The single most decisive one: Driver size — 57.14% more. 11 mm vs 7 mm.
Both ship with comparable battery — buds, water resistance, multipoint, so those specs do not separate the two — focus on the differences below.
Bottom line: the Accentum True Wireless is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Sennheiser - Accentum True Wireless or Sony - LinkBuds Open?
Sennheiser - Accentum True Wireless leads the current Mars Score by 8.4 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 Sennheiser - Accentum True Wireless if…
Sennheiser - Accentum True Wireless has the measurable edge on battery life case h, has anc.
Choose Sony - LinkBuds Open if…
Sony - LinkBuds Open has the measurable edge on driver size mm, has spatial audio, 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 Sennheiser - Accentum True Wireless wins
- ▲Battery — with case — 27.27% more. 28 h vs 22 h.
- ▲Has Active noise cancellation.
Why Sony - LinkBuds Open wins
- ▲Driver size — 57.14% more. 11 mm vs 7 mm.
- ▲Has Spatial audio.
- ▲Weight per bud — 0.90 g less. 5.1 vs 6.0.
Spec comparison
Design
| Spec | Sennheiser - Accentum True Wireless | Sony - LinkBuds Open |
|---|---|---|
| Form factor | in-ear | openlead |
| Weight per bud | 6.0 g | 5.1 glead |
| Water resistanceⓘ | IPX4 | IPX4 |
Audio
| Spec | Sennheiser - Accentum True Wireless | Sony - LinkBuds Open |
|---|---|---|
| Driver sizeⓘ | 7 mm | 11 mmlead |
| Active noise cancellationⓘ | truelead | false |
| Transparency mode | truelead | false |
| Spatial audioⓘ | false | truelead |
Battery
| Spec | Sennheiser - Accentum True Wireless | Sony - LinkBuds Open |
|---|---|---|
| Battery — buds | 8 h | 8 h |
| Battery — with case | 28 hlead | 22 h |
| Wireless case chargingⓘ | false | false |
Connectivity
| Spec | Sennheiser - Accentum True Wireless | Sony - LinkBuds Open |
|---|---|---|
| Bluetoothⓘ | 5.3 | 5.3 |
| Codecsⓘ | aptX,AAC,SBC | AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | false | false |
Frequently asked
Which has longer battery, Accentum True Wireless or LinkBuds Open?+
LinkBuds Open lasts 8h per charge vs 8h.
Do Accentum True Wireless or LinkBuds Open support multipoint?+
Both support multipoint pairing.
Which has ANC, Accentum True Wireless or LinkBuds Open?+
Accentum True Wireless has active noise cancellation; LinkBuds Open does not.