Samsung Galaxy Buds4 Pro SM-R640NZKAXAR
A hybrid dual-driver system with a dedicated tweeter and woofer delivers 24-bit hi-fi audio over Bluetooth 5.4, while adaptive active noise cancelation adjusts to your environment. IP57 dust and water resistance ensures durability during workouts, and AI-powered live translation via a Galaxy S26 handles 22 languages for real-time calls. They’re best for Samsung Galaxy S26 owners who prioritize fitness-ready durability and seamless multilingual communication.
About This Earbuds
A hybrid dual-driver system with a dedicated tweeter and woofer delivers 24-bit hi-fi audio over Bluetooth 5.4, while adaptive active noise cancelation adjusts to your environment. IP57 dust and water resistance ensures durability during workouts, and AI-powered live translation via a Galaxy S26 handles 22 languages for real-time calls. They’re best for Samsung Galaxy S26 owners who prioritize fitness-ready durability and seamless multilingual communication.
- Form factor in-ear
- Driver type hybrid
- Wireless
- Active noise cancellation
- Bluetooth version 5.4
- Water resistance IP57
- Multipoint
Overview
Performance
Pros & Cons
Pros
- Strong build (99th percentile) 99th
- Strong social proof (98th percentile) 98th
- Strong anc (97th percentile) 97th
- Strong connectivity (95th percentile) 95th
Cons
- Below average user sentiment (3th percentile) 3th
- Below average battery (7th percentile) 7th
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | true wireless |
| Ear Tips | Large, Medium, Small |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | hybrid |
| Drivers | 2 |
| Hi-Res Audio | Yes |
| Codecs | 24-bit hi-fi |
| Surround | Dolby Atmos |
Noise Control
| ANC | Yes |
| ANC Type | adaptive |
| Transparency | Yes |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Multipoint | Yes |
| Range | 61 |
Earbud Battery
| Charging | proprietary |
Case Battery
| Wireless Charging | Yes |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Voice Assistant | Gemini, Bixby |
| Touch Controls | Yes |
| App | Samsung Phone app |
| Volume Limiting | Yes |
| Water Resistance | IP57 |
vs Competition
| Spec | Samsung Galaxy Buds4 Pro SM-R640NZKAXAR | Technics EAH-AZ100 EAH-AZ100 | Sony WF-1000XM6 WF-1000XM6 | Bose QuietComfort Ultra 2nd Gen | Sennheiser MOMENTUM True Wireless 4 | Apple AirPods Pro MFHP4LL/A |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | hybrid | Dynamic | Dynamic | Dynamic | dynamic | Dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.3 | 5.4 | 5.3 |
| Battery Life Hours | - | 8 | 8 | 6 | 30 | 8 |
| Case Battery Hours | - | 28 | 24 | 18 | 30 | 24 |
| Water Resistance | IP57 | IPX4 | IPX4 | IPX4 | IP54 | IP57 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Samsung Galaxy Buds4 Pro SM-R640NZKAXAR | 96.6 | 65.9 | 98.8 | 93.3 | 6.6 | 86.9 | 3 | 95.4 | 97.9 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.6 | 96.9 | 79 | 99.1 | 79.1 | 93.4 | 91.8 | 99 | 89.3 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.6 | 99.7 | 79 | 96.3 | 75.6 | 70.9 | 79.1 | 99 | 94.4 |
| Bose QuietComfort Ultra 2nd Gen Compare | 96.6 | 80.5 | 79 | 96.4 | 47 | 93.4 | 79.1 | 97.8 | 94.4 |
| Sennheiser MOMENTUM True Wireless 4 Compare | 96.6 | 99.7 | 33.4 | 91.9 | 97.5 | 93.4 | 91.8 | 90 | 89.3 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.6 | 80.5 | 98.8 | 83.3 | 75.6 | 70.9 | 0 | 97.8 | 99.3 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.