vs
9.6Build & durability9.8
Dimensions
Size comparison
Watch Ultra 2J888
| Watch Ultra 2 | J888 | Difference | |
|---|---|---|---|
| Case size | 44 mm | 45 mm | −1 mm |
| Thickness | 14.4 mm | 14 mm | +0.4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Ultra 2 better than J888?
Watch Ultra 2 has no measurable advantages in this pair.
Why is J888 better than Watch Ultra 2?
- Water resistance10 ATM vs 20 ATM2×
- Thickness14.4 mm vs 14 mm+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 49 mm | 45 mm |
| Weight | 61.4 g | — |
| Thickness | 14.4 mm | 14 mm |
| Height | 49 mm | — |
| Width | 44 mm | — |
| Case material | Titanium | Stainless steel |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire crystal glass | Saphirglas Saphirglas |
| Strap material | Textil | Edelstahl |
| Water resistance | 10 ATM | 20 ATM |
| Ingress protection | IP6X | — |
| Water rating (maker) | 100 m | 200 m / 20 bar / 20 ATM |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | Titanium, Black | Silver |
| Display | ||
| Screen size | 1.92″ | — |
| Display technology | OLED | — |
| Panel | Retina LTPO2 OLED | — |
| AMOLED / OLED display | Yes | — |
| Always-on display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 410 px | — |
| Resolution (height) | 502 px | — |
| Pixel density | 338 ppi | — |
| Peak brightness | 3,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | 1.5 days | — |
| Battery life (hours) | 36 h | — |
| Battery capacity | 564 mAh | — |
| Battery type | Li-Ion | — |
| Wireless charging | Yes | — |
| Charged in 30 min | 40% | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water) | accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Dive mode | Yes | — |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | Yes | — |
| eSIM | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.3 | 5 |
| Ultra Wideband | Yes | — |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 64 GB | — |
| Platform | ||
| Operating system | watchOS 10 | — |
| Platform | watchOS | — |
| Works with | iOS | iOS, Android |
| Chipset | Apple S9 | — |
Related comparisons
vs
Apple Watch Ultra 2vsSamsung Galaxy Watch67.58.8vs
Apple Watch Ultra 2vsSamsung Galaxy Watch Ultra7.59.2vs
Apple Watch Ultra 2vsSamsung Galaxy Watch6 Classic7.58.4vs
Apple Watch Ultra 2vsSamsung Galaxy Watch77.58.6vs
Apple Watch Ultra 2vsHuawei Watch 4 Pro7.57.6vs
Apple Watch Ultra 2vsApple Watch Series 97.55.9