Between the AirPods 4 with ANC and LinkBuds Fit, the AirPods 4 with ANC comes out ahead in driver size and weight per bud, while the LinkBuds Fit wins on battery — buds and battery — with case. Overall, the AirPods 4 with ANC scores 58.3 and the LinkBuds Fit scores 53.8 on our Mars Score.
Which should you buy?
The AirPods 4 with ANC edges ahead on the Mars Score (58.3 vs 53.8), but the 4.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the AirPods 4 with ANC if you care most about driver size and weight per bud. The biggest gaps in its favor are driver size, weight per bud, water resistance.
Pick the LinkBuds Fit 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, multipoint.
Both ship with comparable active noise cancellation, spatial audio, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Apple - AirPods 4 with ANC wins
- ▲Driver size — 19.05% more. 10 mm vs 8.4 mm.
- ▲Weight per bud — 0.60 g less. 4.3 vs 4.9.
- ▲Water resistance: IP54 (vs IPX4).
Why Sony - LinkBuds Fit wins
- ▲Battery — buds — 10.00% more. 5.5 h vs 5 h.
- ▲Battery — with case — 5.00% more. 21 h vs 20 h.
- ▲Has Multipoint.
Spec comparison
Design
| Spec | Apple - AirPods 4 with ANC | Sony - LinkBuds Fit |
|---|---|---|
| Form factor | openlead | in-ear |
| Weight per bud | 4.3 glead | 4.9 g |
| Water resistanceⓘ | IP54lead | IPX4 |
Audio
| Spec | Apple - AirPods 4 with ANC | Sony - LinkBuds Fit |
|---|---|---|
| Driver sizeⓘ | 10 mmlead | 8.4 mm |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | true | true |
Battery
| Spec | Apple - AirPods 4 with ANC | Sony - LinkBuds Fit |
|---|---|---|
| Battery — buds | 5 h | 5.5 hlead |
| Battery — with case | 20 h | 21 hlead |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Apple - AirPods 4 with ANC | Sony - LinkBuds Fit |
|---|---|---|
| Bluetoothⓘ | 5.3 | 5.3 |
| Codecs | AAC,SBC | LDAC,AAC,SBC |
| Multipointⓘ | false | truelead |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, AirPods 4 with ANC or LinkBuds Fit?+
LinkBuds Fit lasts 5.5h per charge vs 5h.
Do AirPods 4 with ANC or LinkBuds Fit support multipoint?+
LinkBuds Fit supports multipoint; AirPods 4 with ANC does not.
Which has ANC, AirPods 4 with ANC or LinkBuds Fit?+
Both have active noise cancellation.
Spec-level deep dives
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