vs
6.5Display5.3
3.2Battery life2.6
8.3Health tracking9.4
6.1Sports & outdoor5.5
3.2Smart features3.2
3.7Build & durability3.0
Dimensions
Size comparison
D2 Air X15Forerunner 570 42mm
| D2 Air X15 | Forerunner 570 42mm | Difference | |
|---|---|---|---|
| Height | 45 mm | 42.4 mm | +2.6 mm |
| Width | 45 mm | 42.4 mm | +2.6 mm |
| Thickness | 12.5 mm | 12.9 mm | −0.4 mm |
| Weight | 38 g | 42 g | −4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is D2 Air X15 better than Forerunner 570 42mm?
- GPS battery life20 h vs 18 h+11%
- Screen size1.4″ vs 1.2″+17%
- Weight38 g vs 42 g+11%
- GPS battery life (dual-band)17 h vs 13 h+31%
- Resolution (width)454 px vs 390 px+16%
- Sport profiles93 vs 83+12%
- Thickness12.5 mm vs 12.9 mm+3%
Why is Forerunner 570 42mm better than D2 Air X15?
Forerunner 570 42mm has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 42 mm |
| Weight | 38 g | 42 g |
| Thickness | 12.5 mm | 12.9 mm |
| Height | 45 mm | 42.4 mm |
| Width | 45 mm | 42.4 mm |
| Case material | Stainless steel | Aluminium |
| Sapphire crystal | No | No |
| Lens / cover glass | Corning® Gorilla® Glass 3 | Corning® Gorilla® Glass 3 |
| Strap material | silicone | silicone |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 ATM | 5 ATM |
| Display | ||
| Screen size | 1.4″ | 1.2″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 454 px | 390 px |
| Resolution (height) | 454 px | 390 px |
| Pixel density | 324 ppi | 325 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 10 days |
| Battery life with always-on display | 4 days | — |
| Battery saver mode | 25 days | — |
| GPS battery life | 20 h | 18 h |
| GPS battery life (dual-band) | 17 h | 13 h |
| Battery type | Lithium ion | Lithium ion |
| 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 |
| ECG | Yes | — |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| HRV tracking | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, QZSS, BeiDou, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor | GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 93 | 83 |
| LED flashlight | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| ANT+ sensors | Yes | Yes |
| Smart features | ||
| Calls from the wrist | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Yes | Yes |
| Music on the watch | Yes | Yes |
| Storage | 8 GB | 8 GB |
| Third-party apps | Yes | Yes |
| Platform | ||
| Operating system | Garmin OS | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
