vs
5.2Noise control & calls7.2
7.4Battery5.1
4.6Build & features3.0
Why is WF-1000XM4 better than EAH-AZ70W?
- Battery life12 h vs 7.5 h+60%
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · EAH-AZ70W: No
- Battery life with ANC8 h vs 6.5 h+23%
- LDACYes · EAH-AZ70W: No
- Bluetooth version5.2 vs 5+4%
- Charging time1.5 h vs 2 h+33%
Why is EAH-AZ70W better than WF-1000XM4?
- Driver size6 mm vs 10 mm+67%
- Earbud weight (each)7.3 g vs 7 g+4%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 6 mm | 10 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 2 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 12 h | 7.5 h |
| Battery life with ANC | 8 h | 6.5 h |
| Total with charging case | 24 h | — |
| Charging time | 1.5 h | 2 h |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | LDAC, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Alexa, Google Assistant | — |
| Companion app | Yes | — |
| Design & build | ||
| Weight | 41 g | — |
| Earbud weight (each) | 7.3 g | 7 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Colours | White | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
