vs
9.0Display2.1
Why is Active 3 Premium better than U2?
- Built-in GPSYes · U2: No
- AMOLED / OLED displayYes · U2: No
- Resolution (width)466 px vs 240 px+94%
- Screen size1.32″ vs 1.26″+5%
- Battery capacity365 mAh vs 220 mAh+66%
- Pixel density353 ppi vs 269 ppi+31%
Why is U2 better than Active 3 Premium?
U2 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Weight | 38 g | — |
| Thickness | 11 mm | — |
| Height | 45 mm | — |
| Width | 45 mm | — |
| Case material | Stainless steel | — |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire glass | — |
| Water resistance | 5 ATM | — |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | — | Black, Silver, Pink |
| Display | ||
| Screen size | 1.32″ | 1.26″ |
| Display technology | AMOLED | LCD |
| Panel | AMOLED | TFT |
| AMOLED / OLED display | Yes | No |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 240 px |
| Resolution (height) | 466 px | 240 px |
| Pixel density | 353 ppi | 269 ppi |
| Peak brightness | 3,000 nits | — |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 12 days | — |
| GPS battery life | 24 h | — |
| Battery capacity | 365 mAh | 220 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | — | Accelerometer, heart rate |
| Sports & navigation | ||
| Built-in GPS | Yes | No |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Sport profiles | 170 | — |
| Connectivity | ||
| NFC payments | — | No |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | — | 5.4 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Platform | ||
| Operating system | — | Proprietary OS |
| Platform | Proprietary | Proprietary |
