Dimensions
Size comparison
D2 Air9 Peak
| D2 Air | 9 Peak | Difference | |
|---|---|---|---|
| Height | 43.2 mm | 43 mm | +0.2 mm |
| Width | 43.2 mm | 43 mm | +0.2 mm |
| Thickness | 12.4 mm | 10.6 mm | +1.8 mm |
| Weight | 46 g | 62 g | −16 g |
Drawn to the same scale from the official dimensions (front and side).
Why is D2 Air better than 9 Peak?
- Weight46.3 g vs 62 g+34%
- Resolution (width)390 px vs 240 px+62%
- Pixel density325 ppi vs 200 ppi+62%
Why is 9 Peak better than D2 Air?
- Battery life (smartwatch mode)5 days vs 7 days+40%
- GPS battery life20 h vs 25 h+25%
- Sport profiles16 vs 805×
- Sapphire crystalNo · D2 Air: Yes
- Thickness12.4 mm vs 10.6 mm+17%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 43 mm |
| Weight | 46.3 g | 62 g |
| Thickness | 12.4 mm | 10.6 mm |
| Height | 43.2 mm | 43 mm |
| Width | 43.2 mm | 43 mm |
| Case material | Stainless steel | Stainless steel |
| Sapphire crystal | No | Yes |
| Lens / cover glass | Corning® Gorilla® Glass 3 | Sapphire crystal |
| Strap material | silicone and leather | Silicone |
| Water resistance | — | 10 ATM |
| Water rating (maker) | — | 100 m |
| Display | ||
| Screen size | 1.2″ | 1.2″ |
| Display technology | — | Memory-in-pixel (transflective) |
| AMOLED / OLED display | — | No |
| Touchscreen | — | Yes |
| Resolution (width) | 390 px | 240 px |
| Resolution (height) | 390 px | 240 px |
| Pixel density | 325 ppi | 200 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 5 days | 7 days |
| GPS battery life | 20 h | 25 h |
| Battery type | — | rechargeable lithium-ion |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Temperature sensor | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor | Optical HR, Barometer, Compass, Thermometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | No |
| Satellite systems | GLONASS, GALILEO | GPS, GLONASS, Galileo, BeiDou, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | — | Yes |
| Sport profiles | 16 | 80 |
| Connectivity | ||
| NFC payments | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Music on the watch | Yes | — |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Suunto OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | — |
