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Head-to-head

Google - Pixel Buds Pro 2 vs Anker - Liberty 4 Pro

Last updated · How Mars Score works
Pixel Buds Pro 2GOOGLEILLUSTRATION
Probe A
Google
Pixel Buds Pro 2
78.7/ 100A
Audio82· 45%
Battery71· 30%
Connectivity· 15%
Design85· 10%
Liberty 4 ProANKERILLUSTRATION
Probe B
Anker
Liberty 4 Pro
81.6/ 100A
Audio81· 45%
Battery83· 30%
Connectivity· 15%
Design80· 10%
The fork

Where they actually differ

The most decisive specs, ranked by how much they matter — before the full spec table.

SpecGoogle - Pixel Buds Pro 2Anker - Liberty 4 Pro
Battery — with case30 h40 h
Battery — buds8 h10 h
Driver size11 mm10.5 mm
Spatial audiotruefalse
Weight per bud4.7 g5.6 g
Water resistanceIP54IPX4
Quick verdict

Between the Pixel Buds Pro 2 and Liberty 4 Pro, the Pixel Buds Pro 2 comes out ahead in driver size / spatial audio, while the Liberty 4 Pro wins on battery — with case / battery — buds. Overall, the Pixel Buds Pro 2 scores 78.7 and the Liberty 4 Pro scores 81.6 on our Mars Score.

Buying advice

Which should you buy?

These two are nearly even on the Mars Score (78.7 vs 81.6). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.

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, weight per bud, among others. The single most decisive one: Driver size — 4.76% more. 11 mm vs 10.5 mm.

Pick the Liberty 4 Pro 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. The single most decisive one: Battery — with case — 33.33% more. 40 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: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.

Decision guide

Which should you buy: Google - Pixel Buds Pro 2 or Anker - Liberty 4 Pro?

Anker - Liberty 4 Pro leads the current Mars Score by 2.9 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, weight per bud g.

Choose Anker - Liberty 4 Pro if…

Anker - Liberty 4 Pro has the measurable edge on battery life case h, battery life buds h.

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 — 4.76% more. 11 mm vs 10.5 mm.
  • Has Spatial audio.
  • Weight per bud — 0.90 g less. 4.7 vs 5.6.
  • Water resistance: IP54 (vs IPX4).

Why Anker - Liberty 4 Pro wins

  • Battery — with case — 33.33% more. 40 h vs 30 h.
  • Battery — buds — 25.00% more. 10 h vs 8 h.
Full readout

Spec comparison

Design

SpecGoogle - Pixel Buds Pro 2Anker - Liberty 4 Pro
Form factorin-earin-ear
Weight per bud4.7 glead5.6 g
Water resistanceIP54leadIPX4

Audio

SpecGoogle - Pixel Buds Pro 2Anker - Liberty 4 Pro
Driver size11 mmlead10.5 mm
Active noise cancellationtruetrue
Transparency modetruetrue
Spatial audiotrueleadfalse

Battery

SpecGoogle - Pixel Buds Pro 2Anker - Liberty 4 Pro
Battery — buds8 h10 hlead
Battery — with case30 h40 hlead
Wireless case chargingtruetrue

Connectivity

SpecGoogle - Pixel Buds Pro 2Anker - Liberty 4 Pro
Bluetooth5.35.4lead
CodecsAAC,SBCLDAC,AAC,SBC
Multipointtruetrue
In-ear detectiontruetrue
Reader questions

Frequently asked

Which has longer battery, Pixel Buds Pro 2 or Liberty 4 Pro?+

Liberty 4 Pro lasts 10h per charge vs 8h.

Do Pixel Buds Pro 2 or Liberty 4 Pro support multipoint?+

Both support multipoint pairing.

Which has ANC, Pixel Buds Pro 2 or Liberty 4 Pro?+

Both models have active noise cancellation.

Drill down

Spec-level deep dives

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