vs
2.4Display2.9
2.1Battery life2.4
3.9Build & durability2.1
Dimensions
Size comparison
Forerunner 45Vantage M
| Forerunner 45 | Vantage M | Difference | |
|---|---|---|---|
| Height | 42 mm | 46 mm | −4 mm |
| Width | 42 mm | 46 mm | −4 mm |
| Thickness | 11.4 mm | 12.5 mm | −1.1 mm |
| Weight | 32 g | 45 g | −13 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 45 better than Vantage M?
- Battery life (smartwatch mode)7 days vs 6 days+17%
- Water resistance5 ATM vs 3 ATM+67%
- Weight32 g vs 45 g+41%
- Thickness11.4 mm vs 12.5 mm+10%
Why is Vantage M better than Forerunner 45?
- GPS battery life13 h vs 26 h2×
- Screen size1.04″ vs 1.2″+15%
- Resolution (width)208 px vs 239 px+15%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | 46 mm |
| Weight | 32 g | 45 g |
| Thickness | 11.4 mm | 12.5 mm |
| Height | 42 mm | 46 mm |
| Width | 42 mm | 46 mm |
| Case material | — | Stainless steel |
| Sapphire crystal | No | — |
| Lens / cover glass | chemically strengthened glass | — |
| Strap material | silicone | — |
| Water resistance | 5 ATM | 3 ATM |
| Water rating (maker) | 5 ATM | WR30 |
| Colours | — | White, Black, White |
| Display | ||
| Screen size | 1.04″ | 1.2″ |
| Display technology | Memory-in-pixel (transflective) | Memory-in-pixel (transflective) |
| Panel | Sunlight-visible, transflective memory-in-pixel | MIP |
| AMOLED / OLED display | No | No |
| Always-on display | Yes | Yes |
| Resolution (width) | 208 px | 239 px |
| Resolution (height) | 208 px | 240 px |
| Pixel density | 200 ppi | 200 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 6 days |
| GPS battery life | 13 h | 26 h |
| Battery capacity | — | 230 mAh |
| Battery type | — | Li-Pol |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Skin temperature | — | No |
| HRV tracking | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Accelerometer | Accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO | — |
| Offline maps | — | No |
| Sport profiles | 9 | — |
| LED flashlight | — | No |
| Smart features | ||
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Polar OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | — |
