Samsung Galaxy Buds 4 Pro vs Pixel Buds 2a
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Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Samsung Galaxy Buds 4 Pro |  Pixel Buds 2a |
|---|---|---|
| Price | KSh 23,500.00 | KSh 21,500.00 |
| Drivers | Enhanced 2-way drivers: dynamic woofer + tweeter | Custom-designed 11mm dynamic drivers |
| Connection | Bluetooth | Bluetooth |
| Active Noise Cancellation | Yes | Active Noise Cancellation with Silent Seal 1.5 |
| Battery Life | 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 | Up to 10 hours / 27 hours with case (ANC off); 7 hours / 20 hours with case (ANC on) |
| Water & Dust Resistance | IP57 | IP54 earbuds; IPX4 case |
| Weight | 5.1g per earbud | 4.7g per earbud; 47.6g case with earbuds |
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Full specifications
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General
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Brand | Samsung | |
| Model | Galaxy Buds4 Pro (SM-R640) | Pixel Buds 2a |
| Announced | 2026 | 2025 |
| Type | True Wireless In-Ear Earbuds | True Wireless In-Ear Earbuds |
| Color | White, Black | Fog, Berry, Iris, Hazel |
Design
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Weight | 5.1g per earbud | 4.7g per earbud; 47.6g case with earbuds |
| Dimensions | 30.9 x 18.1 x 19.6mm per earbud (H x W x D) | Earbud 23.1 x 16.0 x 17.8mm; case 50.0 x 24.5 x 57.2mm |
Battery & Charging
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Battery Life | 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 | Up to 10 hours / 27 hours with case (ANC off); 7 hours / 20 hours with case (ANC on) |
| Charging Port | USB-C | USB-C (case) |
| Wireless Charging | Yes | No |
| Fast Charging | — | 5 minutes provides up to 1 hour with ANC |
Connectivity
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Connection | Bluetooth | Bluetooth |
| Bluetooth | Bluetooth 6.1 | Bluetooth 5.4 |
| Multipoint Connection | Samsung Auto Switch on compatible Galaxy devices | — |
| Connector | N/A - wireless audio connection | — |
| Cable Length | N/A - no audio cable | — |
| App Support | Galaxy Wearable app; newer Galaxy devices also expose controls in Quick Panel and device settings | Google Pixel Buds app on Android |
Features
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Voice Assistant | Bixby | Gemini and Google Assistant |
| Sensors | Accelerometer, Gyro Sensor, Hall Sensor, Pressure Sensor, Proximity Sensor, Touch Sensor, VPU(Voice Pickup Unit) | Capacitive touch, IR proximity and Hall sensors |
| Special Features | LE Audio; Samsung Find; Neck Stretch Reminder | Google Tensor A1; Clear Calling; Google Fast Pair |
Audio
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Drivers | Enhanced 2-way drivers: dynamic woofer + tweeter | Custom-designed 11mm dynamic drivers |
| Audio Codecs | AAC, SBC, SSC(Samsung Seamless Codec), SSC-UHQ, LC3 | — |
| Active Noise Cancellation | Yes | Active Noise Cancellation with Silent Seal 1.5 |
| Transparency / Ambient Mode | Ambient Sound; Adaptive Noise Control | Yes |
| Spatial Audio | Samsung 360 Audio | — |
| Microphones | 6 microphones | Two microphones per earbud |
| Audio Features | Adaptive EQ; Adaptive ANC; Super Wide Band; Voice Detect; Siren Detect | Google Tensor A1; active in-ear pressure relief; five-band EQ |
Charging Case
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Case Type | Charging case | Charging case |
| Case Battery Life | Up to 26 hours total with ANC on; Up to 30 hours total with ANC off | Included in total battery figures above |
| Case Charging | USB-C; wireless charging | USB-C |
| Case Charging Port | USB-C | USB-C |
| Case Wireless Charging | Yes | No |
| Case Dimensions | 51 x 28.3 x 51mm (H x W x D) | 50.0 x 24.5 x 57.2mm |
| Case Weight | 44.3g | 47.6g with earbuds |
| Case Features | 530mAh typical battery | Protective charging case |
Design & Controls
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Controls | Touch, pressure/pinch and swipe controls | Capacitive touch controls |
| Water & Dust Resistance | IP57 | IP54 earbuds; IPX4 case |
| Ear Tips / Ear Cushions | Silicone ear tips | Silicone ear tips, XS/S/M/L |
What's in the Box
| Specification | Samsung Galaxy Buds 4 Pro | Pixel Buds 2a |
|---|---|---|
| Headphones / Earbuds | Galaxy Buds4 Pro earbuds | Pixel Buds 2a earbuds |
| Charging Case | Charging case | Charging case |
| Charging Cable | N/A - USB-C cable not included | Not included |
| Audio Cable | N/A - not included | N/A - true wireless design |
| Ear Tips / Accessories | Three sets of silicone ear tips | Silicone ear tips, XS/S/M/L |
| Documentation | Quick Start Guide | Quick start guide and safety documentation |