vs
8.6Display5.8
9.1Health tracking4.9
Why is Lite 4 2026 better than Siona 2 Nano?
- Screen size1.85″ vs 1.3″+42%
- Thickness6 mm vs 6.9 mm+15%
Why is Siona 2 Nano better than Lite 4 2026?
- Battery life (smartwatch mode)5 days vs 6 days+20%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 37 mm |
| Thickness | 6 mm | 6.9 mm |
| Case material | Aluminium | — |
| Strap material | Silikon | Edelstahl |
| Display | ||
| Screen size | 1.85″ | 1.3″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | Yes |
| Resolution (width) | 390 px | — |
| Resolution (height) | 450 px | — |
| Battery | ||
| Battery life (smartwatch mode) | 5 days | 6 days |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | — |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Multisport / triathlon mode | — | Yes |
| Connectivity | ||
| Bluetooth | 5.1 | 5 |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
| Chipset | Jieli AC7013A | — |
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