vs
2.0Battery life7.0
4.9Health tracking4.9
2.6Sports & outdoor2.8
Dimensions
Size comparison
D2 AirInstinct Solar
| D2 Air | Instinct Solar | Difference | |
|---|---|---|---|
| Height | 43.2 mm | 45 mm | −1.8 mm |
| Width | 43.2 mm | 45 mm | −1.8 mm |
| Thickness | 12.4 mm | 15.3 mm | −2.9 mm |
| Weight | 46 g | 53 g | −7 g |
Drawn to the same scale from the official dimensions (front and side).
Why is D2 Air better than Instinct Solar?
- Resolution (width)390 px vs 128 px3×
- Pixel density325 ppi vs 101 ppi3.2×
- Weight46.3 g vs 53 g+14%
- Thickness12.4 mm vs 15.3 mm+23%
Why is Instinct Solar better than D2 Air?
- Battery life (smartwatch mode)5 days vs 24 days4.8×
- GPS battery life20 h vs 30 h+50%
- Sport profiles16 vs 28+75%
- Screen size1.2″ vs 1.27″+6%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 45 mm |
| Weight | 46.3 g | 53 g |
| Thickness | 12.4 mm | 15.3 mm |
| Height | 43.2 mm | 45 mm |
| Width | 43.2 mm | 45 mm |
| Case material | Stainless steel | Plastic / polymer |
| Sapphire crystal | No | No |
| Lens / cover glass | Corning® Gorilla® Glass 3 | Power Glass™ |
| Strap material | silicone and leather | silicone |
| Water resistance | — | 10 ATM |
| Water rating (maker) | — | 10 ATM |
| Display | ||
| Screen size | 1.2″ | 1.27″ |
| Display technology | — | Memory-in-pixel (transflective) |
| Panel | — | Monochrome, sunlight-visible, transflective memory-in-pixel |
| AMOLED / OLED display | — | No |
| Always-on display | — | Yes |
| Resolution (width) | 390 px | 128 px |
| Resolution (height) | 390 px | 128 px |
| Pixel density | 325 ppi | 101 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 5 days | 24 days |
| Battery saver mode | — | 56 days |
| GPS battery life | 20 h | 30 h |
| Solar charging | — | Yes |
| Wireless charging | No | No |
| Charging | Garmin proprietary plug charger | 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 | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Accelerometer, Thermometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO | GLONASS, GALILEO |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Sport profiles | 16 | 28 |
| Connectivity | ||
| NFC payments | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| ANT+ sensors | Yes | Yes |
| Smart features | ||
| Music on the watch | Yes | — |
| Storage | — | 0.02 GB |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
