Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - Galaxy Buds 3 Pro | OnePlus - Buds Pro 3 |
|---|---|---|
| Battery — buds | 6 h | 10 h |
| Battery — with case | 26 h | 43 h |
| Driver size | 10.5 mm | 11 mm |
| Weight per bud | 5.4 g | 4.8 g |
| Water resistance | IP57 | IP55 |
Between the Galaxy Buds 3 Pro and Buds Pro 3, the Galaxy Buds 3 Pro comes out ahead in water resistance, while the Buds Pro 3 wins on battery — buds / battery — with case. Overall, the Galaxy Buds 3 Pro scores 73.2 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 9.6 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 Galaxy Buds 3 Pro if you care most about water resistance. The biggest gaps in its favor are water resistance. The single most decisive one: Water resistance: IP57 (vs IP55).
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 battery — buds, battery — with case, driver size, among others. The single most decisive one: Battery — buds — 66.67% more. 10 h vs 6 h.
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: Samsung - Galaxy Buds 3 Pro or OnePlus - Buds Pro 3?
OnePlus - Buds Pro 3 leads the current Mars Score by 9.6 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 Samsung - Galaxy Buds 3 Pro if…
Samsung - Galaxy Buds 3 Pro has the measurable edge on ip rating.
Choose OnePlus - Buds Pro 3 if…
OnePlus - Buds Pro 3 has the measurable edge on battery life buds h, battery life case h, driver size mm.
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 Samsung - Galaxy Buds 3 Pro wins
- ▲Water resistance: IP57 (vs IP55).
Why OnePlus - Buds Pro 3 wins
- ▲Battery — buds — 66.67% more. 10 h vs 6 h.
- ▲Battery — with case — 65.38% more. 43 h vs 26 h.
- ▲Driver size — 4.76% more. 11 mm vs 10.5 mm.
- ▲Weight per bud — 0.60 g less. 4.8 vs 5.4.
Spec comparison
Design
| Spec | Samsung - Galaxy Buds 3 Pro | OnePlus - Buds Pro 3 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 5.4 g | 4.8 glead |
| Water resistanceⓘ | IP57lead | IP55 |
Audio
| Spec | Samsung - Galaxy Buds 3 Pro | OnePlus - Buds Pro 3 |
|---|---|---|
| Driver sizeⓘ | 10.5 mm | 11 mmlead |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | true | true |
Battery
| Spec | Samsung - Galaxy Buds 3 Pro | OnePlus - Buds Pro 3 |
|---|---|---|
| Battery — buds | 6 h | 10 hlead |
| Battery — with case | 26 h | 43 hlead |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Samsung - Galaxy Buds 3 Pro | OnePlus - Buds Pro 3 |
|---|---|---|
| Bluetoothⓘ | 5.4 | 5.4 |
| Codecsⓘ | SSC,AAC,SBC | LHDC,LDAC,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, Galaxy Buds 3 Pro or Buds Pro 3?+
Buds Pro 3 lasts 10h per charge vs 6h.
Do Galaxy Buds 3 Pro or Buds Pro 3 support multipoint?+
Both support multipoint pairing.
Which has ANC, Galaxy Buds 3 Pro or Buds Pro 3?+
Both models have active noise cancellation.