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Why is Series 23 RA23-2170 better than Lite 4 2026?
- Battery life (smartwatch mode)7 days vs 5 days+40%
Why is Lite 4 2026 better than Series 23 RA23-2170?
- Thickness23 mm vs 6 mm3.8×
Specifications
Side by side
| Design & durability | ||
| Weight | 38 g | — |
| Thickness | 23 mm | 6 mm |
| Case material | — | Aluminium |
| Strap material | Silikon | Silikon |
| Colours | Black | — |
| Display | ||
| Screen size | 1.83″ | 1.85″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Always-on display | — | Yes |
| Resolution (width) | — | 390 px |
| Resolution (height) | — | 450 px |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 5 days |
| Battery type | Li-Ion | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| HRV tracking | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | — | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Connectivity | ||
| Bluetooth | 5.2 | 5.1 |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
| Chipset | — | Jieli AC7013A |
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