Knauermann Pro 4 Air vs Knauermann PRO 4 Ultra Smartwatch silber, Silikonband schwarz, Anruf & SOS
What Pro 4 Air does better (0) and where PRO 4 Ultra Smartwatch silber, Silikonband schwarz, Anruf & SOS wins (1) — every spec side by side.
vs
Knauermann · 2026PRO 4 Ultra Smartwatch silber, Silikonband schwarz, Anruf & SOS
8.8Score
Higher score 1 advantage≈ $270
8.5Display8.6
9.1Health tracking4.9
Dimensions
Size comparison
Pro 4 AirPRO 4 Ultra Smartwatch silber, Silikonband schwarz, Anruf & SOS
| Pro 4 Air | PRO 4 Ultra Smartwatch silber, Silikonband schwarz, Anruf & SOS | Difference | |
|---|---|---|---|
| Case size | 47 mm | 24 mm | +23 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Pro 4 Air better than PRO 4 Ultra Smartwatch silber, Silikonband schwarz, Anruf & SOS?
Pro 4 Air has no measurable advantages in this pair.
Why is PRO 4 Ultra Smartwatch silber, Silikonband schwarz, Anruf & SOS better than Pro 4 Air?
- Screen size1.56″ vs 1.95″+25%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 24 mm |
| Thickness | 9.9 mm | — |
| Case material | Stainless steel | — |
| Strap material | — | Silikon |
| Colours | — | Silver, Black |
| Display | ||
| Screen size | 1.56″ | 1.95″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | Yes |
| Resolution (width) | 480 px | — |
| Resolution (height) | 480 px | — |
| Battery | ||
| Battery life (smartwatch mode) | 5 days | — |
| Battery capacity | 440 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2 | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| Bluetooth | 5.1 | — |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
| Chipset | Jieli AC7013A | — |
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