Dimensions
Size comparison
Pro 4 AirRace S
| Pro 4 Air | Race S | Difference | |
|---|---|---|---|
| Case size | 47 mm | 45 mm | +2 mm |
| Thickness | 9.9 mm | 11.4 mm | −1.5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Pro 4 Air better than Race S?
- AMOLED / OLED displayYes · Race S: No
- Screen size1.56″ vs 1.32″+18%
- Thickness9.9 mm vs 11.4 mm+15%
- Resolution (width)480 px vs 466 px+3%
Why is Race S better than Pro 4 Air?
- Battery life (smartwatch mode)5 days vs 9 days+80%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 45 mm |
| Weight | — | 53 g |
| Thickness | 9.9 mm | 11.4 mm |
| Height | — | 45 mm |
| Width | — | 45 mm |
| Case material | Stainless steel | Titanium |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Saphirglas Saphirglas |
| Strap material | — | Silicone |
| Water resistance | — | 10 ATM |
| Water rating (maker) | — | 100 m / 10 bar / 10 ATM |
| Display | ||
| Screen size | 1.56″ | 1.32″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | Farbdisplay |
| AMOLED / OLED display | Yes | No |
| Always-on display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 480 px | 466 px |
| Resolution (height) | 480 px | 466 px |
| Pixel density | — | 353 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 5 days | 9 days |
| GPS battery life | — | 40 h |
| GPS battery life (dual-band) | — | 30 h |
| Battery capacity | 440 mAh | — |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | — | Yes |
| HRV tracking | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, barometer |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GPS, GLONASS, GALILEO, BDS, QZSS |
| Offline maps | — | Yes |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Multisport / triathlon mode | — | Yes |
| Sport profiles | — | 95 |
| Dive mode | — | Yes |
| Connectivity | ||
| Bluetooth | 5.1 | — |
| Smart features | ||
| Storage | — | 32 GB |
| Platform | ||
| Operating system | — | Suunto OS |
| Platform | — | Proprietary |
| Works with | iOS, Android | iOS, Android |
| Chipset | Jieli AC7013A | — |
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