vs
4.9Health tracking4.9
Why is Tank S2 better than Series 29 AMOLED Smart Calling Watch?
Tank S2 has no measurable advantages in this pair.
Why is Series 29 AMOLED Smart Calling Watch better than Tank S2?
Series 29 AMOLED Smart Calling Watch has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | — | 51 mm |
| Lens / cover glass | Gorilla Glas | — |
| Strap material | Silikon | Silikon |
| Water resistance | 5 ATM | — |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | — | Blue, Black |
| Display | ||
| Screen size | 1.32″ | — |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Resolution (width) | 466 px | — |
| Resolution (height) | 466 px | — |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | — |
| Battery capacity | 390 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2 | SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| Bluetooth | 5.3 | 5.1 |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
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