Why is Tank T3 better than Tank T4?
Tank T3 has no measurable advantages in this pair.
Why is Tank T4 better than Tank T3?
- Water resistance5 ATM vs 10 ATM2×
Specifications
Side by side
| Design & durability | ||
| Weight | 71 g | 71 g |
| Case material | — | Stainless steel |
| Lens / cover glass | — | Gorilla Glas |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | 10 ATM |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | 100 m / 10 bar / 10 ATM |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | — | Anthracite |
| Display | ||
| Screen size | 1.43″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 15 days | 15 days |
| Battery capacity | 500 mAh | 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, accelerometer | heart rate, SpO2, accelerometer |
| Connectivity | ||
| Bluetooth | 5 | 5 |
| Platform | ||
| Works with | iOS, Android | iOS, Android |









