vs
8.7Display9.3
9.7Battery life3.4
4.9Health tracking8.5
9.7Sports & outdoor3.1
5.4Smart features8.0
5.8Build & durability9.5
Dimensions
Size comparison
Active MaxWatch Ultra 3
| Active Max | Watch Ultra 3 | Difference | |
|---|---|---|---|
| Height | 48.5 mm | 49 mm | −0.5 mm |
| Width | 48.5 mm | 44 mm | +4.5 mm |
| Thickness | 12.2 mm | 12 mm | +0.2 mm |
| Weight | 40 g | 62 g | −22 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Active Max better than Watch Ultra 3?
- Battery life (smartwatch mode)25 days vs 1.5 days16.7×
- Weight39.5 g vs 61.6 g+56%
- Voice assistantYes · Watch Ultra 3: Yes
- Resolution (width)480 px vs 422 px+14%
- Battery capacity658 mAh vs 599 mAh+10%
Why is Watch Ultra 3 better than Active Max?
- Water resistance5 ATM vs 10 ATM2×
- Screen size1.5″ vs 1.98″+32%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 49 mm |
| Weight | 39.5 g | 61.6 g |
| Thickness | 12.2 mm | 12 mm |
| Height | 48.5 mm | 49 mm |
| Width | 48.5 mm | 44 mm |
| Case material | Aluminium | Titanium |
| Sapphire crystal | — | Yes |
| Lens / cover glass | Strengthened glass + anti-fingerprint coating | Sapphire crystal glass |
| Water resistance | 5 ATM | 10 ATM |
| Ingress protection | — | IP6X |
| Water rating (maker) | — | 100 m |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | — | Natural, Black |
| Display | ||
| Screen size | 1.5″ | 1.98″ |
| Display technology | AMOLED | OLED |
| Panel | AMOLED | Retina LTPO3 OLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 480 px | 422 px |
| Resolution (height) | 480 px | 514 px |
| Pixel density | 323 ppi | 326 ppi |
| Peak brightness | 3,000 nits | 3,000 nits |
| LTPO display | — | Yes |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 25 days | 1.5 days |
| GPS battery life | 64 h | — |
| Battery life (hours) | — | 36 h |
| Battery capacity | 658 mAh | 599 mAh |
| Battery type | — | Li-Ion |
| Wireless charging | — | Yes |
| Charged in 30 min | — | 53% |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | — | Yes |
| Sport profiles | 170 | — |
| Dive mode | — | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | Yes |
| eSIM | — | Yes |
| Satellite messaging | — | Yes |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.3 | 5.3 |
| Ultra Wideband | — | Yes |
| Smart features | ||
| Calls from the wrist | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Yes | Yes |
| Music on the watch | Yes | Yes |
| Storage | — | 64 GB |
| Platform | ||
| Operating system | — | watchOS 26 |
| Platform | Proprietary | watchOS |
| Works with | Android, iOS | iOS |
| Chipset | — | Apple S10 |
