Samsung Galaxy Buds3 Pro / Sennheiser ACCENTUM Plus Wireless

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.

Sennheiser ACCENTUM Plus Wireless: ACCENTUM Plus Wireless around-ear wireless headphones; black (700176) and white (700177). The cheaper ACCENTUM Wireless and the higher-end MOMENTUM 4 are separate models.

SpecificationSamsung Galaxy Buds3 ProSennheiser ACCENTUM Plus Wireless
Release year20242024
Bluetooth and codecsBluetooth 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		Bluetooth 5.2, class 1; SBC, AAC, aptX, aptX Adaptive; A2DP, AVRCP, HFP, HSP

aptX Adaptive is a Qualcomm codec that adjusts bitrate to link quality on compatible devices.

Sennheiser
ProfilesA2DP, AVRCP, HFP, PBP, TMAP

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

Samsung		—
DriverTwo-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		37 mm dynamic; 10 Hz–22 kHz; 106 dB SPL; THD below 0.3%

Sennheiser says the driver is mounted at an angle. Impedance is 560 ohms in active mode and 95 ohms in passive (wired, powered off) mode.

Sennheiser
Noise controlActive 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 sensors6 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 features360 Audio; Adaptive EQ

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

Samsung		—
BatteryANC 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		800 mAh lithium-ion; up to 50 hours with ANC on; full charge about 3.5 hours; 5 hours from 10 minutes

Sennheiser measured the 50 hours with an iPhone at medium volume; charging is via USB-C at 5 V, up to 700 mA.

Sennheiser
Water resistanceIP57 (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		—
Size and weightEarbud 18.1 × 19.8 × 33.2 mm, 5.4 g; case 48.7 × 58.9 × 24.4 mm, 46.5 g Samsung—
Type—Headband, around-the-ear (circum-aural) wireless headphones; fold flat

Sennheiser promises a light, ergonomic fit with a soft silicone inner headband and cushioned earcups; folded flat it measures about 16.5 × 19.5 × 4.8 cm.

Sennheiser
Noise cancelling—Hybrid adaptive ANC; Transparency mode; automatic anti-wind mode

Hybrid ANC measures noise with microphones both outside and inside the earcup; the adaptive version changes the cancellation strength automatically with ambient noise. Transparency mode lets outside sound in with a touch.

Sennheiser
Controls and sensors—Touchpad on the right earcup; dedicated pairing button; Smart Pause when removed

Tap plays or pauses, sliding up and down sets volume, and swiping sideways skips tracks or answers calls.

Sennheiser
Microphones—Two MEMS microphones with beamforming for noise reduction; 50 Hz–8 kHz Sennheiser
App—Sennheiser Smart Control (iOS and Android); 5-band equaliser, presets, Sound Personalization

Sound Personalization adjusts the sound to the user with a listening test developed with the Fraunhofer Institute.

Sennheiser
In the box—Headphones, USB-C charging cable, carry case, auxiliary (3.5 mm) audio cable, quick guide Sennheiser
Weight—227 g Sennheiser