Why is BFH-19 better than SMW 20?
BFH-19 has no measurable advantages in this pair.
Why is SMW 20 better than BFH-19?
- Battery capacity90 mAh vs 220 mAh2.4×
- Screen size0.96″ vs 1.3″+35%
- Weight66 g vs 58 g+14%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | — |
| Weight | 66 g | 58 g |
| Case material | Plastic / polymer | — |
| Strap material | Silikon | — |
| Colours | Black | Black |
| Display | ||
| Screen size | 0.96″ | 1.3″ |
| Display technology | LCD | LCD |
| Panel | LCD | LCD |
| AMOLED / OLED display | No | No |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | — |
| Battery capacity | 90 mAh | 220 mAh |
| Battery type | Li-Po | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| ECG | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | heart rate |
| Connectivity | ||
| Wi-Fi | Wi-Fi 1 | — |
| Bluetooth | 4.2 | 4 |
| Platform | ||
| Works with | iOS, Android | Android |









