Why is BT101 better than BT20?
- Screen size2.02″ vs 1.96″+3%
- Battery capacity410 mAh vs 350 mAh+17%
Why is BT20 better than BT101?
- Water resistance1 ATM vs 5 ATM5×
- AMOLED / OLED displayNo · BT101: Yes
- Pixel density250 ppi vs 331 ppi+32%
- Resolution (width)320 px vs 410 px+28%
Specifications
Side by side
| Design & durability | ||
| Case size | 58 mm | — |
| Thickness | 13.3 mm | — |
| Height | 58.3 mm | — |
| Width | 46.1 mm | — |
| Lens / cover glass | Tempered glass | — |
| Strap material | Silikon | — |
| Water resistance | 1 ATM | 5 ATM |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Black | Black |
| Display | ||
| Screen size | 2.02″ | 1.96″ |
| Display technology | LCD | AMOLED |
| Panel | TFT LCD | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 320 px | 410 px |
| Resolution (height) | 390 px | 502 px |
| Pixel density | 250 ppi | 331 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | — |
| Battery capacity | 410 mAh | 350 mAh |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, heart rate, SpO2, blood pressure, barometer, compass | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | No |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5.3 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Platform | ||
| Operating system | Proprietary OS | Proprietary OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | — |
