Sennheiser - Momentum True Wireless 4 vs Google - Pixel Buds A-Series
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 | Google - Pixel Buds A-Series |
|---|---|---|
| Driver size | 7 mm | 12 mm |
| Battery — buds | 7.5 h | 5 h |
| Battery — with case | 30 h | 24 h |
| Weight per bud | 6.2 g | 5.1 g |
| Active noise cancellation | true | false |
| Spatial audio | true | false |
Between the Momentum True Wireless 4 and Pixel Buds A-Series, the Momentum True Wireless 4 comes out ahead in battery — buds / battery — with case, while the Pixel Buds A-Series wins on driver size / weight per bud. Overall, the Momentum True Wireless 4 scores 70.7 and the Pixel Buds A-Series scores 58.2 on our Mars Score.
Which should you buy?
The Momentum True Wireless 4 is the clear pick on raw spec strength, leading by 12.5 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 Momentum True Wireless 4 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are battery — buds, battery — with case, active noise cancellation, among others. The single most decisive one: Battery — buds — 50.00% more. 7.5 h vs 5 h.
Pick the Pixel Buds A-Series if you care most about driver size / weight per bud. Its strongest claims are driver size, weight per bud. The single most decisive one: Driver size — 71.43% more. 12 mm vs 7 mm.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Momentum True Wireless 4 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 Google - Pixel Buds A-Series?
Sennheiser - Momentum True Wireless 4 leads the current Mars Score by 12.5 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 has the measurable edge on battery life buds h, battery life case h, has anc.
Choose Google - Pixel Buds A-Series if…
Google - Pixel Buds A-Series has the measurable edge on driver size mm, 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 - Momentum True Wireless 4 wins
- ▲Battery — buds — 50.00% more. 7.5 h vs 5 h.
- ▲Battery — with case — 25.00% more. 30 h vs 24 h.
- ▲Has Active noise cancellation.
- ▲Has Spatial audio.
- ▲Has Multipoint.
- ▲Water resistance: IP54 (vs IPX4).
Why Google - Pixel Buds A-Series wins
- ▲Driver size — 71.43% more. 12 mm vs 7 mm.
- ▲Weight per bud — 1.10 g less. 5.1 vs 6.2.
Spec comparison
Design
| Spec | Sennheiser - Momentum True Wireless 4 | Google - Pixel Buds A-Series |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 6.2 g | 5.1 glead |
| Water resistanceⓘ | IP54lead | IPX4 |
Audio
| Spec | Sennheiser - Momentum True Wireless 4 | Google - Pixel Buds A-Series |
|---|---|---|
| Driver sizeⓘ | 7 mm | 12 mmlead |
| Active noise cancellationⓘ | truelead | false |
| Transparency mode | truelead | false |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Sennheiser - Momentum True Wireless 4 | Google - Pixel Buds A-Series |
|---|---|---|
| Battery — buds | 7.5 hlead | 5 h |
| Battery — with case | 30 hlead | 24 h |
| Wireless case chargingⓘ | truelead | false |
Connectivity
| Spec | Sennheiser - Momentum True Wireless 4 | Google - Pixel Buds A-Series |
|---|---|---|
| Bluetoothⓘ | 5.4lead | 5.0 |
| Codecsⓘ | aptX Lossless,LC3,AAC,SBC | AAC,SBC |
| Multipointⓘ | truelead | false |
| In-ear detection | truelead | false |
Frequently asked
Which has longer battery, Momentum True Wireless 4 or Pixel Buds A-Series?+
Momentum True Wireless 4 lasts 7.5h per charge vs 5h.
Do Momentum True Wireless 4 or Pixel Buds A-Series support multipoint?+
Momentum True Wireless 4 supports multipoint pairing; Pixel Buds A-Series does not.
Which has ANC, Momentum True Wireless 4 or Pixel Buds A-Series?+
Momentum True Wireless 4 has active noise cancellation; Pixel Buds A-Series does not.