vs
9.5Display9.3
9.7Health tracking9.4
Why is PRO 4 2026 Smartwatch silber, ECG, IP67 better than Pro 4 Ultra eckig?
PRO 4 2026 Smartwatch silber, ECG, IP67 has no measurable advantages in this pair.
Why is Pro 4 Ultra eckig better than PRO 4 2026 Smartwatch silber, ECG, IP67?
- Screen size1.56″ vs 2.04″+31%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | — |
| Thickness | — | 10.9 mm |
| Case material | — | Aluminium |
| Strap material | Silikon | — |
| Colours | Silver | — |
| Display | ||
| Screen size | 1.56″ | 2.04″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Battery | ||
| Battery life (smartwatch mode) | — | 6 days |
| Battery capacity | — | 1,400 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| Bluetooth | — | 5.3 |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
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