Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - Galaxy Buds 3 | Sony - LinkBuds Fit |
|---|---|---|
| Driver size | 11 mm | 8.4 mm |
| Battery — with case | 24 h | 21 h |
| Battery — buds | 6 h | 5.5 h |
| Water resistance | IP57 | IPX4 |
| Weight per bud | 4.7 g | 4.9 g |
Between the Galaxy Buds 3 and LinkBuds Fit, the Galaxy Buds 3 comes out ahead in driver size / battery — with case, while the LinkBuds Fit wins on several specs. Overall, the Galaxy Buds 3 scores 74.4 and the LinkBuds Fit scores 69.4 on our Mars Score.
Which should you buy?
The Galaxy Buds 3 edges ahead on the Mars Score (74.4 vs 69.4), but the 5.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy Buds 3 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 driver size, battery — with case, battery — buds, among others. The single most decisive one: Driver size — 30.95% more. 11 mm vs 8.4 mm.
The LinkBuds Fit similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
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 Galaxy Buds 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 or Sony - LinkBuds Fit?
Samsung - Galaxy Buds 3 leads the current Mars Score by 5.0 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 if…
Samsung - Galaxy Buds 3 has the measurable edge on driver size mm, battery life case h, battery life buds h.
Choose Sony - LinkBuds Fit if…
Sony - LinkBuds Fit does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 wins
- ▲Driver size — 30.95% more. 11 mm vs 8.4 mm.
- ▲Battery — with case — 14.29% more. 24 h vs 21 h.
- ▲Battery — buds — 9.09% more. 6 h vs 5.5 h.
- ▲Water resistance: IP57 (vs IPX4).
- ▲Weight per bud — 0.20 g less. 4.7 vs 4.9.
Why Sony - LinkBuds Fit wins
- No decisive advantages.
Spec comparison
Design
| Spec | Samsung - Galaxy Buds 3 | Sony - LinkBuds Fit |
|---|---|---|
| Form factor | openlead | in-ear |
| Weight per bud | 4.7 glead | 4.9 g |
| Water resistanceⓘ | IP57lead | IPX4 |
Audio
| Spec | Samsung - Galaxy Buds 3 | Sony - LinkBuds Fit |
|---|---|---|
| Driver sizeⓘ | 11 mmlead | 8.4 mm |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | true | true |
Battery
| Spec | Samsung - Galaxy Buds 3 | Sony - LinkBuds Fit |
|---|---|---|
| Battery — buds | 6 hlead | 5.5 h |
| Battery — with case | 24 hlead | 21 h |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Samsung - Galaxy Buds 3 | Sony - LinkBuds Fit |
|---|---|---|
| Bluetoothⓘ | 5.4lead | 5.3 |
| Codecsⓘ | SSC,AAC,SBC | LDAC,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, Galaxy Buds 3 or LinkBuds Fit?+
Galaxy Buds 3 lasts 6h per charge vs 5.5h.
Do Galaxy Buds 3 or LinkBuds Fit support multipoint?+
Both support multipoint pairing.
Which has ANC, Galaxy Buds 3 or LinkBuds Fit?+
Both models have active noise cancellation.