Samsung Galaxy Buds4 Pro / Sennheiser ACCENTUM Plus Wireless

Samsung Galaxy Buds4 Pro: Galaxy Buds4 Pro (SM-R640); White, Black and Pink Gold. The non-Pro Galaxy Buds4 and the Buds3 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 Buds4 ProSennheiser ACCENTUM Plus Wireless
Release year20262024
Drivers2-way; Super Wide woofer + tweeter

Separate drivers for bass and treble aim for better separation than a single driver covering both.

Samsung		—
Sound24-bit / 96 kHz Hi-Fi sound; 360 Audio with head tracking; Adaptive EQ 2.0 Samsung—
Noise controlAdaptive Active Noise Cancellation; Ambient Sound; Adaptive Noise Control; Voice Detect

Voice Detect lowers the music and lets in ambient sound when you start talking.

Samsung		—
Microphones and calls3 mics (2 outer high-SNR + 1 inner) and VPU; Super Wideband Call (16 kHz); DNN noise reduction Samsung—
BluetoothBluetooth 6.1 (LE Audio ready); Auracast; Auto Switch

Auto Switch moves the connection between Galaxy devices on the same Samsung account; Auracast lets several headsets join one broadcast.

Samsung		—
Battery capacityEarbud 61 mAh; case 530 mAh Samsung—
Playback time6 hours with ANC (26 with case), 7 hours without (30 with case) Samsung—
Talk time4.5 hours with ANC (20 with case), 5 hours without (22 with case) Samsung—
ControlsTouch and swipe; head gestures; voice commands; Gemini and Bixby

Head gestures let you accept or reject a call by nodding or shaking your head.

Samsung		—
DurabilityIP57; 0.9 m (3 ft) of water for 30 minutes

IP57 limits dust ingress and survives brief immersion; the case is not stated to have the same rating.

Samsung		—
SizeEarbud 18.1 × 19.6 × 30.9 mm; case 51 × 51 × 28.3 mm Samsung—
CompatibilityOne UI 8.0 or later via phone settings; Android 11 or later via Galaxy Wearable; Bluetooth only on iOS; Windows 10 PCs; Samsung TVs from 2022

Because there is no iPhone app, features such as EQ and ANC settings are not available on iOS.

Samsung		—
ColoursWhite, Black, Pink Gold 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
Driver—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 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
Bluetooth and codecs—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
Battery—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
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