Dimensions
Size comparison
J888Ignite 3
| J888 | Ignite 3 | Difference | |
|---|---|---|---|
| Case size | 45 mm | 43 mm | +2 mm |
| Thickness | 14 mm | 9.5 mm | +4.5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is J888 better than Ignite 3?
- Water resistance20 ATM vs 3 ATM6.7×
Why is Ignite 3 better than J888?
- Thickness14 mm vs 9.5 mm+47%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 43 mm |
| Weight | — | 35 g |
| Thickness | 14 mm | 9.5 mm |
| Height | — | 43 mm |
| Width | — | 43 mm |
| Case material | Stainless steel | Stainless steel |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Saphirglas Saphirglas | — |
| Strap material | Edelstahl | — |
| Water resistance | 20 ATM | 3 ATM |
| Water rating (maker) | 200 m / 20 bar / 20 ATM | WR30 |
| Colours | Silver | Brown Copper, Night Black, Greige Sand |
| Display | ||
| Screen size | — | 1.28″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | — | 416 px |
| Resolution (height) | — | 416 px |
| Pixel density | — | 325 ppi |
| Battery | ||
| Battery life (smartwatch mode) | — | 8 days |
| GPS battery life | — | 24 h |
| Battery capacity | — | 215 mAh |
| Battery type | — | Li-Pol |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| HRV tracking | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | accelerometer | Accelerometer |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Offline maps | — | No |
| LED flashlight | — | No |
| Connectivity | ||
| Bluetooth | 5 | 5.1 |
| Platform | ||
| Operating system | — | Polar OS |
| Platform | — | Proprietary |
| Works with | iOS, Android | — |
