Samsung Galaxy Buds4 Pro / Bose QuietComfort Ultra Earbuds (2. nesil)

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.

Bose QuietComfort Ultra Earbuds (2. nesil): True wireless in-ear · wireless charging case

SpecificationSamsung Galaxy Buds4 ProBose QuietComfort Ultra Earbuds (2. nesil)
Release year20262025
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		Bluetooth 5.3 · range up to 9 m

Bose states the earbuds do not receive LE Audio content.

Bose
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 SamsungBlack, White Smoke, limited-edition Deep Plum Bose
Type—In-ear true wireless earbuds Bose
Noise cancelling—Adaptive active noise cancelling (ANC) · Aware (ambient) mode

ANC picks up outside sound with microphones and cancels it with an opposing signal. Bose says this generation changes cancellation levels more smoothly when sudden noises occur.

Bose
Microphones—4 microphones per earbud · AI-powered call noise suppression Bose
Multipoint—Two source devices at once Bose
Codecs—SBC, AAC, aptX Adaptive (Snapdragon Sound)

aptX Adaptive adjusts quality and latency to connection strength; the phone must also support this codec.

Bose
Battery—Earbuds up to 6 hours (4 hours with Immersive Audio on) · up to 24 hours in total with the case

Immersive Audio is Bose's spatial audio mode and shortens battery life.

Bose
Charging—USB-C · wireless charging case · up to 2 hours of use from a 20-minute charge

The earbuds take about 2 hours and the case about 3 hours to charge fully.

Bose
Water resistance—Earbuds IPX4 · case not water resistant

IPX4 is protection against splashing water, not against immersion.

Bose
Weight—0.017 lb (about 7.7 g) per earbud · case 0.132 lb (about 60 g) Bose
Dimensions—Earbud 2.99 × 1.25 × 2.49 cm · case 6.63 × 5.97 × 2.69 cm Bose