Why is Tank M4 better than Tank T4?
- Screen size1.96″ vs 1.43″+37%
- Weight60 g vs 71 g+18%
Why is Tank T4 better than Tank M4?
- Battery life (smartwatch mode)10 days vs 15 days+50%
- Resolution (width)410 px vs 466 px+14%
Specifications
Side by side
| Design & durability | ||
| Weight | 60 g | 71 g |
| Case material | — | Stainless steel |
| Lens / cover glass | Gorilla Glas | Gorilla Glas |
| Strap material | — | Silikon |
| Water resistance | 10 ATM | 10 ATM |
| Water rating (maker) | 100 m / 10 bar / 10 ATM | 100 m / 10 bar / 10 ATM |
| Colours | — | Anthracite |
| Display | ||
| Screen size | 1.96″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 410 px | 466 px |
| Resolution (height) | 502 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 15 days |
| Battery capacity | — | 500 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Connectivity | ||
| Bluetooth | 5.3 | 5 |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
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