Samsung Galaxy Buds 4 Pro SM-R640 True Wireless vs Technics EAH-AZ100
Samsung Galaxy Buds 4 Pro SM-R640 True Wireless
Samsung
29 Overall Score
vs
Technics EAH-AZ100
Technics
100 Overall Score
What Buyers Say
Samsung Galaxy Buds 4 Pro SM-R640 True Wireless
No customer feedback yet
Technics EAH-AZ100
88 out of 100 medium confidence 28 reviews
The Technics EAH-AZ100 earbuds are overwhelmingly praised for their exceptional sound quality, with users highlighting deep bass, clear highs, and immersive audio. Comfort, battery life, and noise cancellation are also frequently commended, though some users note the price is high and volume could be louder. A few minor issues like Bluetooth LE disconnects and initial multi-device pairing were mentioned, but overall sentiment is very positive.
Pros
- Exceptional sound quality
- Deep immersive bass
- Effective noise cancellation
- Comfortable fit
- Excellent battery life
Cons
- High price point
- Limited maximum volume
- Bluetooth LE disconnects
- Initial multi-device pairing issues
- Plastic exterior
Sound quality 12
Bass performance 6
Noise cancellation 5
Comfort 6
Battery life 5
Value for money 4
Scores
Calls
Travel
Music
Commute
Gaming
Fitness
Budget
Specifications
| Samsung Galaxy Buds 4 Pro SM-R640 True Wireless | Technics EAH-AZ100 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | true wireless |
| Ear Tips | — | 5 x Eartip Pairs |
| Weight | — | 0.01 kg★ |
| Audio | ||
| Driver Type | — | dynamic |
| Driver Size | — | 10 mm★ |
| Drivers | — | 1★ |
| Freq Min | — | 20 Hz★ |
| Freq Max | — | 40 kHz★ |
| Impedance | 25.75 Ω | 16 Ω |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | Samsung Galaxy Buds 4 Pro SM-R640 True Wireless Bluetooth Earbuds with Active Noise Cancellation (ANC), Black – International Version | AAC, LC3, LDAC, SBC |
| Surround | — | Dolby Atmos, Spatial Audio |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | — | adaptive |
| Transparency | — | ✓★ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | — | 5.3★ |
| Profiles | — | AVRCP, A2DP, HSP, HFP, TMAP, PBP |
| Multipoint | — | ✓★ |
| Wired Connector | — | Bluetooth |
| Range | — | 10 m★ |
| Earbud Battery | ||
| Battery Life | — | 8 hrs★ |
| Charge Time | — | 2.5 hrs★ |
| Fast Charging | — | 15 min. for 90 min. playback |
| Charging | — | USB-C★ |
| Case Battery | ||
| Case Battery | — | 28 hrs★ |
| Case Charging | — | USB-C★ |
| Wireless Charging | — | ✓★ |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | — | 6★ |
| NC Mic | — | ✓★ |
| Features | ||
| Voice Assistant | — | Google Assistant, Siri |
| Touch Controls | ✓ | ✓ |
| App | — | Android & iOS |
| Volume Limiting | — | ✗ |
| Gaming Mode | — | ✗ |
| Bone Conduction | ✗ | ✗ |
| Water Resistance | — | IPX4 |
Pros & Cons
Samsung Galaxy Buds 4 Pro SM-R640 True Wireless
- Strong social proof (86th percentile)86th %ile
- Strong anc (74th percentile)
- Strong sound (71st percentile)
- Below average battery (2nd percentile)2nd %ile
- Below average affordability (10th percentile)10th %ile
- Below average comfort (27th percentile)
- Below average build (34th percentile)
Technics EAH-AZ100
- Strong connectivity (100th percentile)100th %ile
- Strong sound (100th percentile)100th %ile
- Strong anc (98th percentile)98th %ile
- Strong mic (97th percentile)97th %ile
- Below average affordability (3rd percentile)3rd %ile
Verdict
Winner: Technics EAH-AZ100
Scores 100 overall, wins 7 of 7 usage categories and 17 of 39 specs.