Sennheiser - Momentum True Wireless 4 vs OnePlus - Buds Pro 3
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sennheiser - Momentum True Wireless 4 | OnePlus - Buds Pro 3 |
|---|---|---|
| Driver size | 7 mm | 11 mm |
| Battery — with case | 30 h | 43 h |
| Battery — buds | 7.5 h | 10 h |
| Weight per bud | 6.2 g | 4.8 g |
| Water resistance | IP54 | IP55 |
Between the Momentum True Wireless 4 and Buds Pro 3, the Momentum True Wireless 4 comes out ahead in several specs, while the Buds Pro 3 wins on driver size / battery — with case. Overall, the Momentum True Wireless 4 scores 70.7 and the Buds Pro 3 scores 82.8 on our Mars Score.
Which should you buy?
The Buds Pro 3 is the clear pick on raw spec strength, leading by 12.1 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.
The Momentum True Wireless 4 does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the Buds Pro 3 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 driver size, battery — with case, battery — buds, among others. The single most decisive one: Driver size — 57.14% more. 11 mm vs 7 mm.
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: the Buds Pro 3 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 - Momentum True Wireless 4 or OnePlus - Buds Pro 3?
OnePlus - Buds Pro 3 leads the current Mars Score by 12.1 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 Sennheiser - Momentum True Wireless 4 if…
Sennheiser - Momentum True Wireless 4 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose OnePlus - Buds Pro 3 if…
OnePlus - Buds Pro 3 has the measurable edge on driver size mm, battery life case h, battery life buds h.
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 - Momentum True Wireless 4 wins
- No decisive advantages.
Why OnePlus - Buds Pro 3 wins
- ▲Driver size — 57.14% more. 11 mm vs 7 mm.
- ▲Battery — with case — 43.33% more. 43 h vs 30 h.
- ▲Battery — buds — 33.33% more. 10 h vs 7.5 h.
- ▲Weight per bud — 1.40 g less. 4.8 vs 6.2.
- ▲Water resistance: IP55 (vs IP54).
Spec comparison
Design
| Spec | Sennheiser - Momentum True Wireless 4 | OnePlus - Buds Pro 3 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 6.2 g | 4.8 glead |
| Water resistanceⓘ | IP54 | IP55lead |
Audio
| Spec | Sennheiser - Momentum True Wireless 4 | OnePlus - Buds Pro 3 |
|---|---|---|
| Driver sizeⓘ | 7 mm | 11 mmlead |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | true | true |
Battery
| Spec | Sennheiser - Momentum True Wireless 4 | OnePlus - Buds Pro 3 |
|---|---|---|
| Battery — buds | 7.5 h | 10 hlead |
| Battery — with case | 30 h | 43 hlead |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Sennheiser - Momentum True Wireless 4 | OnePlus - Buds Pro 3 |
|---|---|---|
| Bluetoothⓘ | 5.4 | 5.4 |
| Codecsⓘ | aptX Lossless,LC3,AAC,SBC | LHDC,LDAC,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, Momentum True Wireless 4 or Buds Pro 3?+
Buds Pro 3 lasts 10h per charge vs 7.5h.
Do Momentum True Wireless 4 or Buds Pro 3 support multipoint?+
Both support multipoint pairing.
Which has ANC, Momentum True Wireless 4 or Buds Pro 3?+
Both models have active noise cancellation.