Google Pixel Buds 2a / Samsung Galaxy Buds3 Pro

Google Pixel Buds 2a: Pixel Buds 2a in-ear earbuds with a USB-C charging case; the Fog, Berry, Iris and Hazel colours share the same hardware. The Pixel Buds A-Series and Pixel Buds Pro 2 are separate models.

Samsung Galaxy Buds3 Pro: Galaxy Buds3 Pro, model SM-R630; Silver and White colours. The open-type Galaxy Buds3 (SM-R530) and the earlier Buds2 Pro are separate models.

SpecificationGoogle Pixel Buds 2aSamsung Galaxy Buds3 Pro
Release year20252024
TypeIn-ear true wireless; wing-tip stabiliser, four ear-tip sizes (XS, S, M, L) Google—
ProcessorGoogle Tensor A1 in each earbud Google—
Driver11 mm dynamic driver GoogleTwo-way speaker: planar tweeter plus a separate woofer, dual amplifier

Separate drivers for treble and bass let each focus on its own frequency range.

Samsung
Noise cancellingActive noise cancellation (Silent Seal 1.5); transparency mode; active in-ear pressure relief

Pressure relief adjusts pressure in the ear canal to reduce the blocked feeling of a sealed in-ear design.

Google		—
ConnectivityBluetooth 5.4; pairs with Bluetooth 4.0+ devices

Full features need an Android 6.0+ phone and a Google account; on iPhone basic listening works but app settings are unavailable.

Google		—
CallsTwo microphones per earbud; Bluetooth super wideband; Clear Calling; wind-blocking mesh

Super wideband carries a wider audio range on calls with compatible Pixel phones.

Google		—
BatteryANC on: 7 hours (20 hours with case); ANC off: 10 hours (27 hours with case); 5 minutes of charging gives 1 hour GoogleANC on: 6 hours of music from the earbuds, 26 hours with the case; ANC off: 7 hours, 30 hours with the case; earbud 53 mAh, case 515 mAh

Talk time is 4.5 / 20 hours with ANC on and 5 / 22 hours with it off. The case supports wireless charging.

Samsung
Charging caseUSB-C charging; no wireless charging listed Google—
DurabilityEarbuds IP54, case IPX4

IP54 protects against dust and splashing water; the earbuds are not designed to be submerged.

Google		—
SensorsCapacitive touch controls; IR proximity sensor for in-ear detection; Hall sensor in the case Google—
Size and weightEarbud 23.1 × 16.0 × 17.8 mm, 4.7 g; case 50.0 × 24.5 × 57.2 mm, 47.6 g with earbuds GoogleEarbud 18.1 × 19.8 × 33.2 mm, 5.4 g; case 48.7 × 58.9 × 24.4 mm, 46.5 g Samsung
UpdatesAutomatic security updates for at least three years from first availability on the US Google Store Google—
ColoursFog, Berry, Iris, Hazel Google—
Bluetooth and codecs—Bluetooth 5.4; LE Audio; AAC, SBC, SSC and SSC UHQ (up to 24 bit/96 kHz)

SSC UHQ only works with the Galaxy S24, S23, Z Fold6, Z Flip6, Z Fold5, Z Flip5 and Tab S9 series on One UI 6.1.1 or later; other phones use AAC or SBC.

Samsung
Profiles—A2DP, AVRCP, HFP, PBP, TMAP

PBP and TMAP are broadcast and telephony/media profiles that come with LE Audio.

Samsung
Noise control—Active noise cancellation; adaptive ANC; Ambient sound; Voice Detect; Siren Detect

Siren Detect turns on ambient sound when a siren is heard nearby. Adaptive ANC and some AI features need a Samsung phone.

Samsung
Microphones and sensors—6 microphones; accelerometer, gyro, hall, pressure, proximity, touch and voice pickup unit (VPU) sensors; Super Wide Band calls

The VPU picks up bone vibration while you talk to help separate your voice from background noise.

Samsung
Audio features—360 Audio; Adaptive EQ

360 Audio uses head tracking to keep sound fixed in space; it needs One UI 3.1 or later.

Samsung
Water resistance—IP57 (earbuds, up to 1 metre of fresh water for up to 30 minutes); the charging case is not water resistant

Earbuds should be dried before going back into the case when wet or sweaty.

Samsung