CMF Ear (3) B173 vs Samsung Galaxy Buds 4 Pro
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  CMF Ear (3) B173 |  Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Price | KSh 21,500.00 | KSh 23,500.00 |
| Drivers | 12mm dynamic driver | Enhanced 2-way drivers: dynamic woofer + tweeter |
| Connection | Bluetooth | Bluetooth |
| Active Noise Cancellation | Up to 45dB ANC | Yes |
| Battery Life | Up to 5.5 hours with ANC; up to 38 hours total with charging case (ANC off) | Up to 6 hours per charge / Up to 26 hours total with ANC on; Up to 7 hours per charge / Up to 30 hours total with ANC off |
| Water & Dust Resistance | IP54 earbuds | IP57 |
| Weight | — | 5.1g per earbud |
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Full specifications
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General
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Brand | — | Samsung |
| Model | Ear (3) (B173) | Galaxy Buds4 Pro (SM-R640) |
| Announced | 2025 | 2026 |
| Type | True Wireless In-Ear Earbuds | True Wireless In-Ear Earbuds |
| Color | White, Black | White, Black |
Design
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Weight | — | 5.1g per earbud |
| Dimensions | — | 30.9 x 18.1 x 19.6mm per earbud (H x W x D) |
Battery & Charging
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Battery Life | Up to 5.5 hours with ANC; up to 38 hours total with charging case (ANC off) | Up to 6 hours per charge / Up to 26 hours total with ANC on; Up to 7 hours per charge / Up to 30 hours total with ANC off |
| Charging Port | USB-C (case) | USB-C |
| Wireless Charging | Yes (case) | Yes |
Connectivity
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Connection | Bluetooth | Bluetooth |
| Bluetooth | Bluetooth 5.4 | Bluetooth 6.1 |
| App Support | Nothing X | Galaxy Wearable app; newer Galaxy devices also expose controls in Quick Panel and device settings |
| Multipoint Connection | — | Samsung Auto Switch on compatible Galaxy devices |
| Connector | — | N/A - wireless audio connection |
| Cable Length | — | N/A - no audio cable |
Features
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Special Features | Super Mic in charging case; Hi-Res Wireless Audio | LE Audio; Samsung Find; Neck Stretch Reminder |
| Voice Assistant | — | Bixby |
| Sensors | — | Accelerometer, Gyro Sensor, Hall Sensor, Pressure Sensor, Proximity Sensor, Touch Sensor, VPU(Voice Pickup Unit) |
Audio
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Drivers | 12mm dynamic driver | Enhanced 2-way drivers: dynamic woofer + tweeter |
| Active Noise Cancellation | Up to 45dB ANC | Yes |
| Microphones | Breakthrough Super Mic technology | 6 microphones |
| Audio Features | 24-bit Hi-Res Audio with LDAC | Adaptive EQ; Adaptive ANC; Super Wide Band; Voice Detect; Siren Detect |
| Audio Codecs | — | AAC, SBC, SSC(Samsung Seamless Codec), SSC-UHQ, LC3 |
| Transparency / Ambient Mode | — | Ambient Sound; Adaptive Noise Control |
| Spatial Audio | — | Samsung 360 Audio |
Charging Case
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Case Type | Charging case | Charging case |
| Case Battery Life | Included in the total battery-life figures above | Up to 26 hours total with ANC on; Up to 30 hours total with ANC off |
| Case Charging | USB-C | USB-C; wireless charging |
| Case Charging Port | USB-C | USB-C |
| Case Features | Protective charging case | 530mAh typical battery |
| Case Wireless Charging | — | Yes |
| Case Dimensions | — | 51 x 28.3 x 51mm (H x W x D) |
| Case Weight | — | 44.3g |
Design & Controls
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Controls | Touch controls for playback, calls and listening modes | Touch, pressure/pinch and swipe controls |
| Water & Dust Resistance | IP54 earbuds | IP57 |
| Ear Tips / Ear Cushions | — | Silicone ear tips |
What's in the Box
| Specification | CMF Ear (3) B173 | Samsung Galaxy Buds 4 Pro |
|---|---|---|
| Headphones / Earbuds | Ear (3) (B173) earbuds | Galaxy Buds4 Pro earbuds |
| Charging Case | Charging case | Charging case |
| Charging Cable | USB-C charging cable | N/A - USB-C cable not included |
| Audio Cable | N/A - true wireless design | N/A - not included |
| Ear Tips / Accessories | Ear tips/accessories supplied for the product design | Three sets of silicone ear tips |
| Documentation | Quick start and safety documentation | Quick Start Guide |