Why is SW-181 better than Watch 3?
SW-181 has no measurable advantages in this pair.
Why is Watch 3 better than SW-181?
- Weight43 g vs 40 g+7%
- Screen size1.7″ vs 1.8″+6%
- Battery capacity200 mAh vs 340 mAh+70%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 45 mm |
| Weight | 43 g | 40 g |
| Thickness | — | 11.5 mm |
| Height | — | 45 mm |
| Width | — | 37 mm |
| Case material | Plastic / polymer | Plastic / polymer |
| Strap material | Kunststoff, Kautschuk | — |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | — | Black, Gray |
| Display | ||
| Screen size | 1.7″ | 1.8″ |
| Display technology | — | LCD |
| Panel | IPS | IPS LCD |
| AMOLED / OLED display | No | No |
| Resolution (width) | — | 240 px |
| Resolution (height) | — | 286 px |
| Pixel density | — | 207 ppi |
| Peak brightness | — | 500 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery capacity | 200 mAh | 340 mAh |
| Battery type | Li-Ion | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2, accelerometer | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | No |
| Connectivity | ||
| NFC payments | — | No |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | 4 | 5.3 |
| Smart features | ||
| Speaker | — | Yes |
| Platform | ||
| Operating system | Proprietär | Proprietary OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | — |
