Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Google - Pixel Buds Pro 2 | Anker - Liberty 5 |
|---|---|---|
| Battery — with case | 30 h | 48 h |
| Battery — buds | 8 h | 12 h |
| Driver size | 11 mm | 10 mm |
| Spatial audio | true | false |
| Water resistance | IP54 | IP55 |
| Weight per bud | 4.7 g | 4.5 g |
Between the Pixel Buds Pro 2 and Liberty 5, the Pixel Buds Pro 2 comes out ahead in driver size / spatial audio, while the Liberty 5 wins on battery — with case / battery — buds. Overall, the Pixel Buds Pro 2 scores 78.7 and the Liberty 5 scores 85.8 on our Mars Score.
Which should you buy?
The Liberty 5 edges ahead on the Mars Score (78.7 vs 85.8), but the 7.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Pixel Buds Pro 2 if audio quality and feature breadth (ANC, codecs, multipoint) are the lead criteria for your purchase. The biggest gaps in its favor are driver size, spatial audio. The single most decisive one: Driver size — 10.00% more. 11 mm vs 10 mm.
Pick the Liberty 5 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 — with case, battery — buds, water resistance, among others. The single most decisive one: Battery — with case — 60.00% more. 48 h vs 30 h.
Both ship with comparable active noise cancellation, multipoint, so those specs do not separate the two — focus on the differences below.
Bottom line: the Liberty 5 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: Google - Pixel Buds Pro 2 or Anker - Liberty 5?
Anker - Liberty 5 leads the current Mars Score by 7.1 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 Google - Pixel Buds Pro 2 if…
Google - Pixel Buds Pro 2 has the measurable edge on driver size mm, has spatial audio.
Choose Anker - Liberty 5 if…
Anker - Liberty 5 has the measurable edge on battery life case h, battery life buds h, ip rating.
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 Google - Pixel Buds Pro 2 wins
- ▲Driver size — 10.00% more. 11 mm vs 10 mm.
- ▲Has Spatial audio.
Why Anker - Liberty 5 wins
- ▲Battery — with case — 60.00% more. 48 h vs 30 h.
- ▲Battery — buds — 50.00% more. 12 h vs 8 h.
- ▲Water resistance: IP55 (vs IP54).
- ▲Weight per bud — 0.20 g less. 4.5 vs 4.7.
Spec comparison
Design
| Spec | Google - Pixel Buds Pro 2 | Anker - Liberty 5 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 4.7 g | 4.5 glead |
| Water resistanceⓘ | IP54 | IP55lead |
Audio
| Spec | Google - Pixel Buds Pro 2 | Anker - Liberty 5 |
|---|---|---|
| Driver sizeⓘ | 11 mmlead | 10 mm |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Google - Pixel Buds Pro 2 | Anker - Liberty 5 |
|---|---|---|
| Battery — buds | 8 h | 12 hlead |
| Battery — with case | 30 h | 48 hlead |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Google - Pixel Buds Pro 2 | Anker - Liberty 5 |
|---|---|---|
| Bluetoothⓘ | 5.3 | 5.4lead |
| Codecsⓘ | AAC,SBC | LDAC,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, Pixel Buds Pro 2 or Liberty 5?+
Liberty 5 lasts 12h per charge vs 8h.
Do Pixel Buds Pro 2 or Liberty 5 support multipoint?+
Both support multipoint pairing.
Which has ANC, Pixel Buds Pro 2 or Liberty 5?+
Both models have active noise cancellation.